nvimrc: Update lua_ls config

nvimrc

@@ -766,6 +766,7 @@ nvim_lsp.gopls.setup{
 
 -- Rust
 nvim_lsp.rust_analyzer.setup{
+  capabilities = capabilities,
   on_attach = on_attach,
     settings = {
         ["rust-analyzer"] = {
@@ -781,8 +782,11 @@ nvim_lsp.rust_analyzer.setup{
                 },
             },
             procMacro = {
-                enable = true
+                enable = false,
             },
+            diagnostics = {
+              disabled = { "unresolved-proc-macro" },
+            }
         }
     }
 }
@@ -840,24 +844,15 @@ nvim_lsp.diagnosticls.setup{
 
 -- Lua
 
-local system_name
+local lua_ls_root_path = os.getenv("HOME").."/dev/lua-language-server"
-if vim.fn.has("mac") == 1 then
+local lua_ls_binary = lua_ls_root_path.."/bin/lua-language-server"
-  system_name = "macOS"
-elseif vim.fn.has("unix") == 1 then
-  system_name = "Linux"
-else
-  print("Unsupported system for sumneko")
-end
-
-local sumneko_root_path = os.getenv("HOME").."/dev/lua-language-server"
-local sumneko_binary = sumneko_root_path.."/bin/"..system_name.."/lua-language-server"
 
 local runtime_path = vim.split(package.path, ';')
 table.insert(runtime_path, "lua/?.lua")
 table.insert(runtime_path, "lua/?/init.lua")
 
-nvim_lsp.sumneko_lua.setup {
+nvim_lsp.lua_ls.setup {
-  cmd = {sumneko_binary, "-E", sumneko_root_path .. "/main.lua"};
+  cmd = {lua_ls_binary, "-E", lua_ls_root_path .. "/main.lua"};
   settings = {
     Lua = {
       runtime = {