[Build] Remove unnecessary configs for ignoring test failures

It should have been removed together with b3e5fdda57bcbba0dd8ba8939f21973ee99a9ca7
diff --git a/build.gradle.kts b/build.gradle.kts
index dda73bf..3cfafe2 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -598,8 +598,6 @@
     ":kotlin-dataframe"
 )
 
-val ignoreTestFailures by extra(project.kotlinBuildProperties.ignoreTestFailures)
-
 val dependencyOnSnapshotReflectWhitelist = setOf(
     ":kotlin-compiler",
     ":kotlin-reflect",
diff --git a/libraries/kotlin.test/js/it/build.gradle.kts b/libraries/kotlin.test/js/it/build.gradle.kts
index 92b57a5..7beb77b 100644
--- a/libraries/kotlin.test/js/it/build.gradle.kts
+++ b/libraries/kotlin.test/js/it/build.gradle.kts
@@ -81,7 +81,7 @@
         }
         doLast {
             println(tcOutput.get().asFile.readText())
-            if (exitCodeFile.get().asFile.readText() != "0" /* && !rootProject.ignoreTestFailures*/) {
+            if (exitCodeFile.get().asFile.readText() != "0") {
                 throw GradleException("$testName integration test failed")
             }
 
diff --git a/repo/gradle-build-conventions/project-tests-convention/src/main/kotlin/project-tests-convention.gradle.kts b/repo/gradle-build-conventions/project-tests-convention/src/main/kotlin/project-tests-convention.gradle.kts
index 93a0e70..973d346 100644
--- a/repo/gradle-build-conventions/project-tests-convention/src/main/kotlin/project-tests-convention.gradle.kts
+++ b/repo/gradle-build-conventions/project-tests-convention/src/main/kotlin/project-tests-convention.gradle.kts
@@ -3,7 +3,6 @@
 val extension = extensions.create("projectTests", ProjectTestsExtension::class)
 
 tasks.withType<Test>().configureEach {
-    ignoreFailures = false
     addCommonInputs()
     configureCacheDisabling()
     configureJvmArgumentProviders()
diff --git a/repo/gradle-build-conventions/project-tests-convention/src/main/kotlin/test-inputs-check.gradle.kts b/repo/gradle-build-conventions/project-tests-convention/src/main/kotlin/test-inputs-check.gradle.kts
index efe2496..dd9d17d 100644
--- a/repo/gradle-build-conventions/project-tests-convention/src/main/kotlin/test-inputs-check.gradle.kts
+++ b/repo/gradle-build-conventions/project-tests-convention/src/main/kotlin/test-inputs-check.gradle.kts
@@ -12,7 +12,6 @@
 val disableInputsCheck = project.providers.gradleProperty("kotlin.test.instrumentation.disable.inputs.check").orNull?.toBoolean() == true
 tasks.withType<Test>().configureEach {
     val taskName = this.name
-    ignoreFailures = false
     val testInputsCheck = extensions.create<TestInputsCheckExtension>("testInputsCheck")
     val toolchainPath = testInputsCheck.isNative
         .filter { it }
diff --git a/repo/gradle-build-conventions/utilities/src/main/kotlin/BuildPropertiesExt.kt b/repo/gradle-build-conventions/utilities/src/main/kotlin/BuildPropertiesExt.kt
index 9d7afb7..3b87f52 100644
--- a/repo/gradle-build-conventions/utilities/src/main/kotlin/BuildPropertiesExt.kt
+++ b/repo/gradle-build-conventions/utilities/src/main/kotlin/BuildPropertiesExt.kt
@@ -17,8 +17,6 @@
 
 val KotlinBuildProperties.jarCompression: Boolean get() = booleanProperty("kotlin.build.jar.compression", isTeamcityBuild).get()
 
-val KotlinBuildProperties.ignoreTestFailures: Boolean get() = booleanProperty("ignoreTestFailures", isTeamcityBuild).get()
-
 val KotlinBuildProperties.disableWerror: Boolean
     get() = booleanProperty("kotlin.build.disable.werror").get() || useFir.get() || booleanProperty("test.progressive.mode").get()
 
@@ -94,4 +92,4 @@
  * local DevX is not broken by stale K/N, so we disable the alignment in these builds.
  */
 val KotlinBuildProperties.alignKotlinNativeVersionInTCBuilds: Boolean
-    get() = isTeamcityBuild.get() && booleanProperty("kotlin.align.versions.kotlin-native.in.tc.builds", true).get()
\ No newline at end of file
+    get() = isTeamcityBuild.get() && booleanProperty("kotlin.align.versions.kotlin-native.in.tc.builds", true).get()