nvim: organize a bunch of color / visual details

.config/nvim/lua/plugins/lsp.lua

@@ -14,4 +14,3 @@ lsp.gopls.setup{}
 lsp.clangd.setup{}
 lsp.texlab.setup{}
 lsp.rust_analyzer.setup{}
-lsp.jdtls.setup{ cmd = { "jdtls" } }

.config/nvim/lua/plugins/lspsignature.lua

@@ -1,7 +1,7 @@
 cfg = {
-	hint_prefix = " ",  -- Panda for parameter
+	hint_prefix = " ",
 	handler_opts = {
-		border = "single"   -- double, rounded, single, shadow, none
+		border = "none"
 	},
 }