[vim] Remove WhatFunction

echoFunc is used instead

.vim/plugin/WhatFunction.vim

@@ -1,63 +0,0 @@
-"	Display current function in status bar
-"
-" Use WhatFunction could create some problems with lines longer that the
-" screen size. WhatFunction could be interesting for C++ function
-function! GetProtoLine()
-  let ret       = ""
-  let line_save = line(".")
-  let col_save  = col(".")
-  let top       = line_save - winline() + 1
-  let so_save = &so
-  let &so = 0
-  let istypedef = 0
-  " find closing brace
-  let closing_lnum = search('^}','cW')
-  if closing_lnum > 0
-    if getline(line(".")) =~ '\w\s*;\s*$'
-      let istypedef = 1
-      let closingline = getline(".")
-    endif
-    " go to the opening brace
-    normal! %
-    " if the start position is between the two braces
-    if line(".") <= line_save
-      if istypedef
-        let ret = matchstr(closingline, '\w\+\s*;')
-      else
-        " find a line contains function name
-        let lnum = search('^\w','bcnW')
-        if lnum > 0
-          let ret = getline(lnum)
-        endif
-      endif
-    endif
-  endif
-  " restore position and screen line
-  exe "normal! " . top . "Gz\<CR>"
-  call cursor(line_save, col_save)
-  let &so = so_save
-  return ret
-endfunction
-
-function! WhatFunction()
-  if &ft != "c" && &ft != "cpp"
-    return ""
-  endif
-  let proto = GetProtoLine()
-  if proto == ""
-    return "?"
-  endif
-  if stridx(proto, '(') > 0
-    let ret = matchstr(proto, '\w\+(\@=')
-  elseif proto =~# '\<struct\>'
-    let ret = matchstr(proto, 'struct\s\+\w\+')
-  elseif proto =~# '\<class\>'
-    let ret = matchstr(proto, 'class\s\+\w\+')
-  else
-    let ret = strpart(proto, 0, 15) . "..."
-  endif
-  return ret
-endfunction
-
-" set statusline=%<%f\ %h%w%m%r%3.(\ %)%{fugitive#statusline()}%=%([%{Tlist_Get_Tagname_By_Line()}%{WhatFunction()}]%)%3.(\ %)%-14.(%l,%c%V%)\ %P
-