#2132 - Replace all uses of foo_callback with foo

ale_linters/sass/stylelint.vim

@@ -5,9 +5,9 @@ call ale#Set('sass_stylelint_use_global', get(g:, 'ale_use_global_executables',
 
 call ale#linter#Define('sass', {
 \   'name': 'stylelint',
-\   'executable_callback': ale#node#FindExecutableFunc('sass_stylelint', [
+\   'executable': {b -> ale#node#FindExecutable(b, 'sass_stylelint', [
 \       'node_modules/.bin/stylelint',
-\   ]),
+\   ])},
 \   'command': '%e --stdin-filename %s',
 \   'callback': 'ale#handlers#css#HandleStyleLintFormat',
 \})