Fix transport defs in test connection plugins.

test/integration/targets/error_from_connection/connection_plugins/dummy.py

@@ -26,9 +26,6 @@ class Connection(ConnectionBase):
 
         raise AnsibleError('an error with {{ some Jinja }}')
 
-    def transport(self):
-        pass
-
     def _connect(self):
         pass
 

test/integration/targets/shell/connection_plugins/test_connection_default.py

@@ -25,9 +25,6 @@ class Connection(ConnectionBase):
     def __init__(self, *args, **kwargs):
         super(Connection, self).__init__(*args, **kwargs)
 
-    def transport(self):
-        pass
-
     def _connect(self):
         pass
 

test/integration/targets/shell/connection_plugins/test_connection_override.py

@@ -26,9 +26,6 @@ class Connection(ConnectionBase):
         self._shell_type = 'powershell'  # Set a shell type that is not sh
         super(Connection, self).__init__(*args, **kwargs)
 
-    def transport(self):
-        pass
-
     def _connect(self):
         pass