Remove many redundant handlers

ale_linters/pyrex/cython.vim

@@ -1,39 +1,6 @@
 " Author: w0rp <devw0rp@gmail.com>
 " Description: cython syntax checking for cython files.
 
-function! ale_linters#pyrex#cython#Handle(buffer, lines)
-    " Matches patterns line the following:
-    "
-    " test.pyx:13:25: Expected ':', found 'NEWLINE'
-    let l:pattern = '^.\+:\(\d\+\):\(\d\+\): \(.\+\)$'
-    let l:output = []
-
-    for l:line in a:lines
-        let l:match = matchlist(l:line, l:pattern)
-
-        if len(l:match) == 0
-            continue
-        endif
-
-        if l:match[3] =~# 'is not a valid module name$'
-            " Skip invalid module name errors.
-            continue
-        endif
-
-        call add(l:output, {
-        \   'bufnr': a:buffer,
-        \   'lnum': l:match[1] + 0,
-        \   'vcol': 0,
-        \   'col': l:match[2] + 0,
-        \   'text': l:match[3],
-        \   'type': 'E',
-        \   'nr': -1,
-        \})
-    endfor
-
-    return l:output
-endfunction
-
 call ale#linter#Define('pyrex', {
 \   'name': 'cython',
 \   'output_stream': 'stderr',
@@ -41,5 +8,5 @@ call ale#linter#Define('pyrex', {
 \   'command': g:ale#util#stdin_wrapper
 \       . ' .pyx cython --warning-extra -o '
 \       . g:ale#util#nul_file,
-\   'callback': 'ale_linters#pyrex#cython#Handle',
+\   'callback': 'ale#handlers#HandleUnixFormatAsError',
 \})