Unnecessary "else" after "return" (#115)

* Unnecessary "else" after "return"

registry.py

@@ -178,7 +178,6 @@ def get_auth_schemes(r,path):
         if DEBUG:
             print('[debug][docker] Auth schemes found:{0}'.format([m for m in oauth]))
         return [m.lower() for m in oauth]
-    else:
     if DEBUG:
         print('[debug][docker] No Auth schemes found')
     return []
@@ -364,10 +363,7 @@ class Registry:
         if json_result['schemaVersion'] == 1:
             print("Docker schemaVersion 1 isn't supported for deleting by age now")
             sys.exit(1)
-        else:
-            tag_config = json_result['config']
-
-        return tag_config
+        return json_result['config']
 
     def get_image_age(self, image_name, image_config):
         container_header = {"Accept": "{0}".format(
@@ -393,7 +389,6 @@ class Registry:
             self.last_error = None
             image_age = json.loads(response.text)
             return image_age['created']
-        else:
         print(" blob not found: {0}".format(self.last_error))
         self.last_error = response.status_code
         return []
@@ -681,9 +676,7 @@ def get_newer_tags(registry, image_name, hours, tags_list):
             print("Keeping tag: {0} timestamp: {1}".format(
                 tag, image_age))
             return tag
-        else:
-            print("Will delete tag: {0} timestamp: {1}".format(
-                tag, image_age))
+        print("Will delete tag: {0} timestamp: {1}".format(tag, image_age))
         return None
 
     print('---------------------------------')