runtime: Remove 'python_setup.vim'

runtime/python_setup.vim

@@ -1,60 +0,0 @@
-" Nvim plugin for loading python extensions via an external interpreter
-if exists("did_python_setup") || &cp
-  finish
-endif
-let did_python_setup = 1
-
-" Prefix for naming things and displaying output.
-let s:plugin_name = 'Python setup'
-
-function! s:ShowError(message)
-  echohl ErrorMsg
-  echomsg s:plugin_name . ': ' . a:message . '.'
-  echohl None
-endfunction
-
-let s:get_version =
-      \ ' -c "import sys; sys.stdout.write(str(sys.version_info[0]) + '.
-      \ '\".\" + str(sys.version_info[1]))"'
-
-let s:supported = ['2.6', '2.7']
-
-" To load the python host a python 2 executable must be available
-if exists('python_interpreter')
-      \ && executable(g:python_interpreter)
-      \ && index(s:supported, system(g:python_interpreter.s:get_version)) >= 0
-  let s:python_interpreter = g:python_interpreter
-elseif executable('python')
-      \ && index(s:supported, system('python'.s:get_version)) >= 0
-  let s:python_interpreter = 'python'
-elseif executable('python2')
-      \ && index(s:supported, system('python2'.s:get_version)) >= 0
-  " In some distros, python3 is the default python
-  let s:python_interpreter = 'python2'
-else
-  call s:ShowError('No python interpreter found')
-  finish
-endif
-
-" Make sure we pick correct python version on path.
-let s:python_interpreter_path = exepath(s:python_interpreter)
-let s:python_version = systemlist(s:python_interpreter_path . ' --version')[0]
-
-" Execute python, import neovim and print a string. If import_result matches
-" the printed string, we can probably start the host
-let s:import_result = system(s:python_interpreter_path .
-      \ ' -c "import neovim, sys; sys.stdout.write(\"ok\")"')
-if s:import_result != 'ok'
-  call s:ShowError('No neovim module found for ' . s:python_version)
-  finish
-endif
-
-let s:pyhost_id = rpcstart(s:python_interpreter_path,
-      \ ['-c', 'import neovim; neovim.start_host()'])
-" Evaluate an expression in the script host as an additional sanity check, and
-" to block until all providers have been registered(or else some plugins loaded
-" by the user's vimrc would not get has('python') == 1
-if rpcrequest(s:pyhost_id, 'python_eval', '"o"+"k"') != 'ok' || !has('python')
-  call s:ShowError('Something went wrong setting up ' . s:python_version)
-  call rpcstop(s:pyhost_id)
-endif