Revert "Fix problem with not not working from the box pydocstyle checker"

This reverts commit ab61240.

Author: rmk135

vimrc

@@ -228,7 +228,7 @@ let g:syntastic_error_symbol='X'
 let g:syntastic_style_error_symbol='X'
 let g:syntastic_warning_symbol='x'
 let g:syntastic_style_warning_symbol='x'
-let g:syntastic_python_checkers=['flake8', 'pydocstyle_new', 'python']
+let g:syntastic_python_checkers=['flake8', 'pydocstyle', 'python']
 
 " YouCompleteMe
 set completeopt-=preview