mojo: Fix dependency for building python bindings.

third_party/cython/python_module.gypi

Index: third_party/cython/python_module.gypi
diff --git a/third_party/cython/python_module.gypi b/third_party/cython/python_module.gypi
index a61ca2d3c89b35ef37f9e8b60bb4ce51dc4c182c..138c41696600639dd024756810776d85ac7ecbe0 100644
--- a/third_party/cython/python_module.gypi
+++ b/third_party/cython/python_module.gypi
@@ -4,10 +4,7 @@
 
 {
   'variables': {
-    'python_binary_modules%': [],
     'python_module_destination': '<(PRODUCT_DIR)/python/<(python_base_module)',
-    'cp': '<(DEPTH)/third_party/cython/cp_python_binary_modules.py',
-    'timestamp': '<(SHARED_INTERMEDIATE_DIR)/<(_target_name)_py_module.stamp',
   },
   'rules': [
     {
@@ -26,25 +23,6 @@
         '<@(_outputs)',
       ],
       'message': 'Moving <(RULE_INPUT_PATH) to its destination',
-    }
-  ],
-  'actions': [
-    {
-      'action_name': '<(_target_name)_move_to_python_modules',
-      'inputs': [
-        '<(cp)',
-      ],
-      'outputs': [
-        '<(timestamp)',
-      ],
-      'action': [
-        'python',
-        '<(cp)',
-        '<(timestamp)',
-        '<(PRODUCT_DIR)',
-        '<(python_module_destination)',
-        '>@(python_binary_modules)',
-      ],
     },
   ],
   'hard_dependency': 1,