[nvim] fix: lsp hints in signbar

.config/nvim/lua/plugin/lsp/init.lua

@@ -15,7 +15,7 @@ local signs = {
     Info  = globals.sign_info,
 }
 
-for type, icon in ipairs(signs) do
+for type, icon in pairs(signs) do
     local hl = "DiagnosticSign" .. type
     vim.fn.sign_define(hl, {
         text = icon,
@@ -57,7 +57,6 @@ end
 local capabilities = vim.lsp.protocol.make_client_capabilities()
 capabilities = require("cmp_nvim_lsp").update_capabilities(capabilities)
 
--- Setup nvim-lsp-installer
 local servers = { "clangd", "sumneko_lua", "texlab" }
 lsp_installer.setup {
     ensure_installed = servers,