fix(lsp): update helm_ls, yamlls, disable emmet

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

dots/.config/nvim/after/plugin/lspconfig.lua

@@ -17,10 +17,9 @@ local servers = {
       format = false,
     },
   },
-  emmet_language_server = {},
+  -- emmet_language_server = {},
   gdscript = {},
-  helm_ls = {
+  helm_ls = { filetypes = { "helm", "yaml.helm-values" } },
-    filetypes = { "yaml", "helm", "yaml.helm-values" },
   },
   hls = { filetypes = { "haskell", "lhaskell", "cabal" } },
   html = {},
@@ -137,6 +136,7 @@ local servers = {
   yamlls = {
     settings = {
       yaml = {
+        validate = true,
         schemaStore = {
           -- You must disable built-in schemaStore support if you want to use
           -- this plugin and its advanced options like `ignore`.