No longer delete pid file

Author: tpope

autoload/dispatch.vim

@@ -179,9 +179,7 @@ function! dispatch#prepare_start(request, ...) abort
     let exec .= '; touch ' .a:request.file . '.complete'
   endif
   let callback = dispatch#callback(a:request)
-  return exec .
-        \ '; rm -f ' . a:request.file . '.pid' .
-        \ (empty(callback) ? '' : '; ' . callback)
+  return exec . (empty(callback) ? '' : '; ' . callback)
 endfunction
 
 function! dispatch#prepare_make(request, ...) abort

autoload/dispatch/windows.vim

@@ -47,7 +47,6 @@ function! dispatch#windows#make(request) abort
           \ ' & ' . escape(a:request.expanded, '%#!') .
           \ ' > ' . a:request.file . ' 2>&1' .
           \ ' & echo \%ERRORLEVEL\% > ' . a:request.file . '.complete' .
-          \ ' & del ' . pidfile .
           \ ' & ' . dispatch#callback(a:request)
   endif