Ignore path mappings if both sides are the same.

bazarr/helper.py

@@ -16,8 +16,8 @@ class PathMappings:
         self.path_mapping_movies = []
 
     def update(self):
-        self.path_mapping_series = ast.literal_eval(settings.general.path_mappings)
+        self.path_mapping_series = [x for x in ast.literal_eval(settings.general.path_mappings) if x[0] != x[1]]
-        self.path_mapping_movies = ast.literal_eval(settings.general.path_mappings_movie)
+        self.path_mapping_movies = [x for x in ast.literal_eval(settings.general.path_mappings_movie) if x[0] != x[1]]
 
     def path_replace(self, path):
         if path is None: