Revert "remove closing connections after every task, this goes against conneciton caching and was not expected behaviuor nor inhertited from v1"

needed for winrm, disabled closing connections in ssh to avoid issues with that persistance, need to normalize all this in future

This reverts commit 23a22397bf.

lib/ansible/executor/task_executor.py

@@ -129,6 +129,13 @@ class TaskExecutor:
             return result
         except AnsibleError as e:
             return dict(failed=True, msg=to_unicode(e, nonstring='simplerepr'))
+        finally:
+            try:
+                self._connection.close()
+            except AttributeError:
+                pass
+            except Exception as e:
+                debug("error closing connection: %s" % to_unicode(e))
 
     def _get_loop_items(self):
         '''