Rename the SASS files to follow the convention from other files, and move the function for handling CSSLint style output into the handlers file.

ale_linters/scss/sasslint.vim

@@ -1,14 +1,14 @@
 " Author: KabbAmine - https://github.com/KabbAmine
 
-if exists('g:loaded_ale_linters_scss_sassLint')
+if exists('g:loaded_ale_linters_scss_sasslint')
     finish
 endif
 
-let g:loaded_ale_linters_scss_sassLint = 1
+let g:loaded_ale_linters_scss_sasslint = 1
 
 call ALEAddLinter('scss', {
 \   'name': 'sassLint',
 \   'executable': 'sass-lint',
 \   'command': g:ale#util#stdin_wrapper . ' .scss sass-lint -v -q -f compact',
-\   'callback': 'ale_linters#css#csslint#Handle',
+\   'callback': 'ale#handlers#HandleCSSLintFormat',
 \})