PyAPI: disable assertion when building Blender as a Python module

When adding the assert I thought this wasn't happening on Linux
(since I'm unable to redo it locally).
However the builtbot hits this assert on Linux, causing tests to fail.

Resolves #135195

source/blender/python/intern/bpy_rna.cc

@@ -9668,15 +9668,15 @@ static void bpy_class_free(void *pyob_ptr)
 {
 #ifdef WITH_PYTHON_MODULE
   /* This can happen when Python has exited before all Blender's RNA types have been freed.
-   * In this Python memory management can't run. see: #125376.
+   * In this Python memory management can't run.
    *
    * NOTE(@ideasman42): While I wasn't able to redo locally, it resolves the problem.
-   * Apparently this happens with AUDASPACE on macOS. Ideally this would be resolved
+   * This happens:
+   * - With AUDASPACE on macOS, see: #125376.
+   * - With the build-bot on Linux, see: #135195.
+   * Ideally this would be resolved
    * by correcting the order classes are freed (before Python exits). */
   if (!Py_IsInitialized()) {
-#  if !(defined(__APPLE__) || defined(_WIN32))
-    BLI_assert_msg(false, "This should never happen, please report a bug!");
-#  endif
     return;
   }
 #endif