remove duplication

autoload/vundle/installer.vim

@@ -6,7 +6,7 @@ func! vundle#installer#new(bang, ...) abort
   let names = map(copy(bundles), 'v:val.name_spec')
   call vundle#scripts#view('Installer',['" Installing'], names)
 
-  call s:process(a:bang, 'vundle#installer#install', names)
+  call s:process(a:bang, 'install', names)
 
   call vundle#config#require(bundles)
 
@@ -27,7 +27,7 @@ func! s:process(bang, func_name, items)
 
     sleep 1m
 
-    let status = call(a:func_name, [a:bang, n])
+    let status = call('vundle#installer#'.a:func_name, [a:bang, n])
 
     call s:sign(status)
 
@@ -102,7 +102,7 @@ func! vundle#installer#clean(bang) abort
 
   if (a:bang || input('Are you sure you want to remove '.len(names).' bundles? [ y/n ]:') =~? 'y')
 
-    call s:process(a:bang, 'vundle#installer#delete', names)
+    call s:process(a:bang, 'delete', names)
 
     echo 'Done!'
   endif