Migrate to lazy.nvim with more lua config

syntax/tolua.vim

@@ -1,41 +0,0 @@
-if exists("b:current_syntax")
-  finish
-endif
-
-syn include @EmbeddedLua     syntax/lua.vim
-syn include @EmbeddedPreproc syntax/c.vim
-
-syn match toluaString "\".*\"" 
-syn match toluaInclude "<.*>" 
-syn region toluaEmbeddedLua matchgroup=toluaEmbeddedDelimiter
-      \ start="^\$\[" end="^\$\]" contains=@EmbeddedLua
-syn match toluaCInclude "^\$#.*$" contains=toluaString,toluaInclude
-
-syn keyword toluaStatement module nextgroup=toluaModuleName skipwhite
-syn match toluaModuleName "[_a-zA-Z]\+" contained
-
-syn match toluaRename "@ [_a-zA-Z]\+"
-
-" from c syntax file
-syn keyword	cType		int long short char void
-syn keyword	cType		signed unsigned float double
-syn keyword	luaState        lua_State
-
-syn region cComment	matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cCommentString,cCharacter,cNumbersCom,cSpaceError,@Spell extend
-syn region	cComment	matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cSpaceError,@Spell extend
-syn keyword	cStructure	struct union enum typedef
-syn keyword	cStorageClass	static register auto volatile extern const
-
-let b:current_syntax = "tolua"
-
-hi def link toluaEmbeddedDelimiter      Special
-hi def link toluaCInclude               PreProc
-hi def link toluaString                 String
-hi def link toluaInclude                String
-hi def link toluaStatement              Statement
-hi def link toluaModuleName             Identifier
-hi def link toluaRename                 Special
-hi def link cType                       Type
-hi def link luaState                    Type
-hi def link cStorageClass               StorageClass
-hi def link cStructure                  Structure