#1303 jq isn't a Node program

autoload/ale/fixers/jq.vim

@@ -1,11 +1,8 @@
 call ale#Set('json_jq_executable', 'jq')
-call ale#Set('json_jq_use_global', 0)
 call ale#Set('json_jq_options', '')
 
 function! ale#fixers#jq#GetExecutable(buffer) abort
-    return ale#node#FindExecutable(a:buffer, 'jq', [
-    \   'jq',
-    \])
+    return ale#Var(a:buffer, 'json_jq_executable')
 endfunction
 
 function! ale#fixers#jq#Fix(buffer) abort