chore: try to satisfy luacheck

lua/lvim/core/luasnip/snippets.lua

@@ -1,32 +1,30 @@
----@diagnostic disable: unused-local for convenience is better to have all luasnip methods available
 -- About how to create snippets:
 -- https://github.com/L3MON4D3/LuaSnip/blob/master/DOC.md
-local ls = require "luasnip"
-local s = ls.snippet
-local sn = ls.snippet_node
-local isn = ls.indent_snippet_node
-local t = ls.text_node
-local i = ls.insert_node
-local f = ls.function_node
-local c = ls.choice_node
-local d = ls.dynamic_node
-local r = ls.restore_node
-local events = require "luasnip.util.events"
-local ai = require "luasnip.nodes.absolute_indexer"
+-- uncoment nodes as you need them
+-- local sn = ls.snippet_node
+-- local isn = ls.indent_snippet_node
+-- local t = ls.text_node
+-- local f = ls.function_node
+-- local c = ls.choice_node
+-- local d = ls.dynamic_node
+-- local r = ls.restore_node
+-- local m = extras.m
+-- local rep = extras.rep
+-- local postfix = require("luasnip.extras.postfix").postfix
 local fmt = require("luasnip.extras.fmt").fmt
 local extras = require "luasnip.extras"
-local m = extras.m
 local l = extras.l
 local dl = extras.dynamic_lambda
-local rep = extras.rep
-local postfix = require("luasnip.extras.postfix").postfix
+local ls = require "luasnip"
+local s = ls.snippet
+local i = ls.insert_node
 
 return {
   s(
     { trig = "preq", dscr = "Protected require call" },
     fmt(
-      [[ 
-      local ok, {} = pcall(require,'{}') 
+      [[
+      local ok, {} = pcall(require,'{}')
       if not ok then
         return
       end]],