Improve startuptime | remove un-needed plugins | lazy load plugin highlights too

removed nvim-gps as nvim-navic or winbar.nvim will be added when v0.8 neovim releases. Removed lsp signature as I was able to emulate showing args with the default signature help() window

lua/ui/lsp.lua

@@ -0,0 +1,54 @@
+local function lspSymbol(name, icon)
+   local hl = "DiagnosticSign" .. name
+   vim.fn.sign_define(hl, { text = icon, numhl = hl, texthl = hl })
+end
+
+lspSymbol("Error", "")
+lspSymbol("Info", "")
+lspSymbol("Hint", "")
+lspSymbol("Warn", "")
+
+vim.diagnostic.config {
+   virtual_text = {
+      prefix = "",
+   },
+   signs = true,
+   underline = true,
+   update_in_insert = false,
+}
+
+vim.lsp.handlers["textDocument/hover"] = vim.lsp.with(vim.lsp.handlers.hover, {
+   border = "single",
+})
+vim.lsp.handlers["textDocument/signatureHelp"] = vim.lsp.with(vim.lsp.handlers.signature_help, {
+   border = "single",
+})
+
+-- suppress error messages from lang servers
+vim.notify = function(msg, log_level)
+   if msg:match "exit code" then
+      return
+   end
+   if log_level == vim.log.levels.ERROR then
+      vim.api.nvim_err_writeln(msg)
+   else
+      vim.api.nvim_echo({ { msg } }, true, {})
+   end
+end
+
+-- Borders for LspInfo winodw
+local win = require "lspconfig.ui.windows"
+local _default_opts = win.default_opts
+
+win.default_opts = function(options)
+   local opts = _default_opts(options)
+   opts.border = "single"
+   return opts
+end
+
+vim.lsp.handlers["textDocument/signatureHelp"] = vim.lsp.with(vim.lsp.handlers.signature_help, {
+   border = "single",
+   silent = true,
+   focusable = false,
+   close_events = { "InsertCharPre", "CursorMoved" },
+})