Revert "Show problems from other files for gobuild and gometalinter"

This reverts commit e721f851b4.

ale_linters/go/gobuild.vim

@@ -1,5 +1,4 @@
-" Author: Joshua Rubin <joshua@rubixconsulting.com>, Ben Reedy <https://github.com/breed808>,
-" Jeff Willette <jrwillette88@gmail.com>
+" Author: Joshua Rubin <joshua@rubixconsulting.com>, Ben Reedy <https://github.com/breed808>
 " Description: go build for Go files
 
 " inspired by work from dzhou121 <dzhou121@gmail.com>
@@ -40,12 +39,15 @@ function! ale_linters#go#gobuild#GetMatches(lines) abort
 endfunction
 
 function! ale_linters#go#gobuild#Handler(buffer, lines) abort
-    let l:dir = expand('#' . a:buffer . ':p:h')
     let l:output = []
 
     for l:match in ale_linters#go#gobuild#GetMatches(a:lines)
+        " Omit errors from imported go packages
+        if !ale#path#IsBufferPath(a:buffer, l:match[1])
+            continue
+        endif
+
         call add(l:output, {
-        \   'filename': ale#path#GetAbsPath(l:dir, l:match[1]),
         \   'lnum': l:match[2] + 0,
         \   'col': l:match[3] + 0,
         \   'text': l:match[4],

ale_linters/go/gometalinter.vim

@@ -1,4 +1,4 @@
-" Author: Ben Reedy <https://github.com/breed808>, Jeff Willette <jrwillette88@gmail.com>
+" Author: Ben Reedy <https://github.com/breed808>
 " Description: Adds support for the gometalinter suite for Go files
 
 call ale#Set('go_gometalinter_options', '')
@@ -14,6 +14,7 @@ function! ale_linters#go#gometalinter#GetCommand(buffer) abort
     let l:options = ale#Var(a:buffer, 'go_gometalinter_options')
 
     return ale#Escape(l:executable)
+    \   . ' --include=' . ale#Escape('^' . ale#util#EscapePCRE(l:filename))
     \   . (!empty(l:options) ? ' ' . l:options : '')
     \   . ' ' . ale#Escape(fnamemodify(l:filename, ':h'))
 endfunction
@@ -25,12 +26,10 @@ function! ale_linters#go#gometalinter#GetMatches(lines) abort
 endfunction
 
 function! ale_linters#go#gometalinter#Handler(buffer, lines) abort
-    let l:dir = expand('#' . a:buffer . ':p:h')
     let l:output = []
 
     for l:match in ale_linters#go#gometalinter#GetMatches(a:lines)
         call add(l:output, {
-        \   'filename': ale#path#GetAbsPath(l:dir, l:match[1]),
         \   'lnum': l:match[2] + 0,
         \   'col': l:match[3] + 0,
         \   'type': tolower(l:match[4]) is# 'warning' ? 'W' : 'E',