Fix livescript filetype, closes #666

Author: sheerun

autoload/polyglot/init.vim

@@ -2215,7 +2215,7 @@ if !has_key(g:polyglot_is_disabled, 'llvm')
 endif
 
 if !has_key(g:polyglot_is_disabled, 'livescript')
-  au BufNewFile,BufRead *._ls,*.ls,Slakefile setf livescript
+  au BufNewFile,BufRead *._ls,*.ls,Slakefile setf ls
 endif
 
 if !has_key(g:polyglot_is_disabled, 'lilypond')

autoload/polyglot/sleuth.vim

@@ -298,7 +298,6 @@ let s:globs = {
   \ 'litcoffee': '*.litcoffee,*.coffee.md',
   \ 'lite': '*.lite,*.lt',
   \ 'litestep': '',
-  \ 'livescript': '*.ls,*._ls,Slakefile',
   \ 'llvm': '*.ll',
   \ 'log': '*.log,*.LOG,*_log,*_LOG',
   \ 'logcheck': '',
@@ -309,6 +308,7 @@ let s:globs = {
   \ 'lout': '*.lou,*.lout',
   \ 'lpc': '*.lpc,*.ulpc',
   \ 'lprolog': '*.sig',
+  \ 'ls': '*.ls,*._ls,Slakefile',
   \ 'lsl': '*.lsl',
   \ 'lss': '*.lss',
   \ 'lua': '*.lua,*.fcgi,*.nse,*.p8,*.pd_lua,*.rbxs,*.rockspec,*.wlua,.luacheckrc',

packages.yaml

@@ -994,7 +994,7 @@ filetypes:
 name: livescript
 remote: gkz/vim-ls
 filetypes:
-- name: livescript
+- name: ls
   linguist: LiveScript
 ---
 name: llvm

tests/filetypes.vim

@@ -139,7 +139,7 @@ call TestFiletype('kotlin')
 call TestFiletype('ledger')
 call TestFiletype('less')
 call TestFiletype('lilypond')
-call TestFiletype('livescript')
+call TestFiletype('ls')
 call TestFiletype('llvm')
 call TestFiletype('tablegen')
 call TestFiletype('log')