Don't do weird PYTHONPATH juggling anymore. Debug build crash doesn't happen anymore since proper libs have been committed.

Hopefully this helps in cases where people have PYTHONPATH set on their system to an incompatible Python version, which can result in crashes.

source/blender/python/intern/bpy_interface.c

@@ -170,14 +170,6 @@ void BPY_start_python_path(void)
 	/* cmake/MSVC debug build crashes without this, why only
 	   in this case is unknown.. */
 	{
-		char *envpath = getenv("PYTHONPATH");
-
-		if(envpath && envpath[0]) {
-			char *newenvpath = BLI_sprintfN("%s;%s", py_path_bundle, envpath);
-			BLI_setenv("PYTHONPATH", newenvpath);
-			MEM_freeN(newenvpath);
-		}
-		else
 		BLI_setenv("PYTHONPATH", py_path_bundle);	
 	}
 #endif