[Analysis API] Remove 'ANALYSIS_CONTEXT_MODULE'

Context module and context element should normally be the same for the
element.

Previously, the 'KaFirCompilerFacility' couldn't find implementation
modules by itself if the given context module was a common one, so a
special test directive was required to provide it. After KT-76457, it's
no longer necessary.

The commit fixes the test failure happened after fixing KT-86014:

```
(181,184) UNRESOLVED_REFERENCE Unresolved reference 'foo'.
(189,192) UNRESOLVED_REFERENCE Unresolved reference 'bar'.
```

Before, the affected test passed only occacionally. The tested code
fragment didn't have a proper context element as
'KtCodeFragmentTestModuleFactory.createModule' couldn't find it: the
"<caret_context>" tag was in 'common' while the passed 'contextModule'
was 'jvm' (subtituted from 'ANALYSIS_CONTEXT_MODULE'). However, before
the fix for KT-86014, code fragments always got the current package's
scope, and now they inherit it from the context element. In other words,
no context element -> no scope -> "unresolved reference".

Now, the code fragment initialization is correct, and scopes are
properly given from the context element.

^KT-86014
diff --git a/analysis/analysis-api/testData/components/compilerFacility/compilation/codeFragments/expectFunctionWithDefaultParam.kt b/analysis/analysis-api/testData/components/compilerFacility/compilation/codeFragments/expectFunctionWithDefaultParam.kt
index 6dec086..070a20a 100644
--- a/analysis/analysis-api/testData/components/compilerFacility/compilation/codeFragments/expectFunctionWithDefaultParam.kt
+++ b/analysis/analysis-api/testData/components/compilerFacility/compilation/codeFragments/expectFunctionWithDefaultParam.kt
@@ -23,7 +23,6 @@
 // MODULE: main
 // MODULE_KIND: CodeFragment
 // CONTEXT_MODULE: common
-// ANALYSIS_CONTEXT_MODULE: jvm
 
 // FILE: fragment.kt
 // CODE_FRAGMENT_KIND: EXPRESSION
diff --git a/analysis/analysis-api/testData/components/compilerFacility/compilation/codeFragments/expectFunctionWithDefaultParam.txt b/analysis/analysis-api/testData/components/compilerFacility/compilation/codeFragments/expectFunctionWithDefaultParam.txt
index dc5ddd0..605c9a0 100644
--- a/analysis/analysis-api/testData/components/compilerFacility/compilation/codeFragments/expectFunctionWithDefaultParam.txt
+++ b/analysis/analysis-api/testData/components/compilerFacility/compilation/codeFragments/expectFunctionWithDefaultParam.txt
@@ -20,7 +20,7 @@
   // access flags 0x19
   public final static run()I
    L0
-    LINENUMBER 30 L0
+    LINENUMBER 29 L0
     ICONST_0
     ICONST_1
     ACONST_NULL
diff --git a/analysis/analysis-test-framework/testFixtures/org/jetbrains/kotlin/analysis/test/framework/AnalysisApiTestDirectives.kt b/analysis/analysis-test-framework/testFixtures/org/jetbrains/kotlin/analysis/test/framework/AnalysisApiTestDirectives.kt
index 4faba9f..34d51a2 100644
--- a/analysis/analysis-test-framework/testFixtures/org/jetbrains/kotlin/analysis/test/framework/AnalysisApiTestDirectives.kt
+++ b/analysis/analysis-test-framework/testFixtures/org/jetbrains/kotlin/analysis/test/framework/AnalysisApiTestDirectives.kt
@@ -41,16 +41,6 @@
         applicability = DirectiveApplicability.Module
     )
 
-    /*
-    Note: the 'contextElement' can be different from the 'contextModule'.
-    E.g., consider a multiplatform project where the contextElement is in 'commonMain', but the contextModule can be
-    configured as 'jvmMain'
-    */
-    val ANALYSIS_CONTEXT_MODULE by stringDirective(
-        description = "Specifies the module name which should be treated as a context module for the current one (can overwrite 'CONTEXT_MODULE')",
-        applicability = DirectiveApplicability.Module
-    )
-
     /**
      * When applied to a library (source) module, specifies that the library module should depend on a [KaLibraryFallbackDependenciesModule][org.jetbrains.kotlin.analysis.api.projectStructure.KaLibraryFallbackDependenciesModule]
      * instead of the regular dependencies set by the test infrastructure.
diff --git a/analysis/analysis-test-framework/testFixtures/org/jetbrains/kotlin/analysis/test/framework/projectStructure/TestModuleStructureFactory.kt b/analysis/analysis-test-framework/testFixtures/org/jetbrains/kotlin/analysis/test/framework/projectStructure/TestModuleStructureFactory.kt
index 2ee21932..031d8b4 100644
--- a/analysis/analysis-test-framework/testFixtures/org/jetbrains/kotlin/analysis/test/framework/projectStructure/TestModuleStructureFactory.kt
+++ b/analysis/analysis-test-framework/testFixtures/org/jetbrains/kotlin/analysis/test/framework/projectStructure/TestModuleStructureFactory.kt
@@ -82,14 +82,11 @@
             val contextModuleName = testModule.directives.singleOrZeroValue(AnalysisApiTestDirectives.CONTEXT_MODULE)
             val contextModule = contextModuleName?.let(existingModules::getValue)
 
-            val analysisContextModuleName = testModule.directives.singleOrZeroValue(AnalysisApiTestDirectives.ANALYSIS_CONTEXT_MODULE)
-            val analysisContextModule = analysisContextModuleName?.let(existingModules::getValue)
-
             val dependencyBinaryRoots = testModule.getDependencyBinaryRoots(existingModules)
 
             val ktTestModule = testServices
                 .getKtModuleFactoryForTestModule(testModule)
-                .createModule(testModule, analysisContextModule ?: contextModule, dependencyBinaryRoots, testServices, project)
+                .createModule(testModule, contextModule, dependencyBinaryRoots, testServices, project)
 
             existingModules[testModule.name] = ktTestModule
             result.add(ktTestModule)