Revert: Added worker to pythonpath (#1233)

* Revert "Added worker to pythonpath (#1215)"

This reverts commit a60ef25.

* Revert "Added worker to pythonpath (#1215)"

This reverts commit a60ef25.

* Deleted empty worker.py file

---------

Co-authored-by: Gavin Aguiar <gavin@GavinPC>

Author: gavin-aguiar

python/prodV4/worker.py

@@ -6,7 +6,6 @@
 # User packages
 PKGS_PATH = "site/wwwroot/.python_packages"
 VENV_PKGS_PATH = "site/wwwroot/worker_venv"
-WORKER_DIR = "azure_functions_worker"
 
 PKGS = "lib/site-packages"
 
@@ -51,20 +50,18 @@ def determine_user_pkg_paths():
 
 if __name__ == '__main__':
     # worker.py lives in the same directory as azure_functions_worker
-    current_dir = str(Path(__file__).absolute())
-    worker_path = os.path.join(current_dir, WORKER_DIR)
     func_worker_dir = str(Path(__file__).absolute().parent)
     env = os.environ
 
     # Setting up python path for all environments to prioritize
     # third-party user packages over worker packages in PYTHONPATH
     user_pkg_paths = determine_user_pkg_paths()
     joined_pkg_paths = os.pathsep.join(user_pkg_paths)
-    env['PYTHONPATH'] = f'{worker_path}:{joined_pkg_paths}:{func_worker_dir}'
+    env['PYTHONPATH'] = f'{joined_pkg_paths}:{func_worker_dir}'
 
     if is_azure_environment():
         os.execve(sys.executable,
-                  [sys.executable, '-m', WORKER_DIR]
+                  [sys.executable, '-m', 'azure_functions_worker']
                   + sys.argv[1:],
                   env)
     else: