Delete lsp_lines plugin and its configuration

after/plugin/lsp_lines.lua

@@ -1,14 +0,0 @@
-vim.diagnostic.config({
-    virtual_text = false,
-    -- virtual_lines = {
-    --     only_current_line = true
-    -- }
-})
-
-
--- vim.keymap.set(
---     "",
---     "<Leader>ll",
---     require("lsp_lines").toggle,
---     { desc = "Toggle lsp_lines" }
--- )