Cleanup after matter_idl, matter_yamltests PR merged (#24283)

diff --git a/BUILD.gn b/BUILD.gn
index 23bc589..ce3a154 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -122,7 +122,7 @@
   pw_python_pip_install("pip_install_matter_packages") {
     packages = [
       "//examples/common/pigweed/rpc_console:chip_rpc_distribution",
-      "//scripts:yamltests_distribution",
+      "//scripts:matter_yamltests_distribution",
     ]
   }
 
diff --git a/scripts/BUILD.gn b/scripts/BUILD.gn
index 8781024..e14db54 100644
--- a/scripts/BUILD.gn
+++ b/scripts/BUILD.gn
@@ -20,9 +20,9 @@
 
 # This target creates a single Python package and wheel for yamltests. It will
 # merge all Python dependencies Matter. The output is located in:
-#   out/obj/yamltests_distribution/  <- source files here
-#   out/obj/yamltests_distribution._build_wheel/yamltests-0.0.1-py3-none-any.whl
-pw_python_distribution("yamltests_distribution") {
+#   out/obj/matter_yamltests_distribution/  <- source files here
+#   out/obj/matter_yamltests_distribution._build_wheel/matter_yamltests-0.0.1-py3-none-any.whl
+pw_python_distribution("matter_yamltests_distribution") {
   packages = [ "${chip_root}/scripts/py_matter_yamltests:matter_yamltests" ]
   generate_setup_cfg = {
     common_config_file = "common_setup.cfg"
diff --git a/scripts/py_matter_yamltests/setup.py b/scripts/py_matter_yamltests/setup.py
index 2d7f786..8917fa4 100644
--- a/scripts/py_matter_yamltests/setup.py
+++ b/scripts/py_matter_yamltests/setup.py
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 
-"""The yamltests package."""
+"""The matter_yamltests package."""
 
 import setuptools  # type: ignore