Use sources_non_forked folder for pathogen path, with sources_non_forked_fallback folder as fallback.

sources_non_forked/ale/ale_linters/scala/fsc.vim

@@ -1,14 +0,0 @@
-" Author: Nils Leuzinger - https://github.com/PawkyPenguin
-" Description: Basic scala support using fsc
-
-function! s:IsSbt(buffer) abort
-    return index(split(getbufvar(a:buffer, '&filetype'), '\.'), 'sbt') >= 0
-endfunction
-
-call ale#linter#Define('scala', {
-\   'name': 'fsc',
-\   'executable': {buf -> s:IsSbt(buf) ? '' : 'fsc'},
-\   'command': '%e -Ystop-after:parser %t',
-\   'callback': 'ale#handlers#scala#HandleScalacLintFormat',
-\   'output_stream': 'stderr',
-\})