reduced plugins

nvim/lua/darcula/plugins.lua

@@ -84,8 +84,7 @@ else
       {src = "https://github.com/hrsh7th/cmp-path"},
       {src = "https://github.com/rafamadriz/friendly-snippets"},
       {src = "https://github.com/neovim/nvim-lspconfig"},
-      {src = "https://github.com/akinsho/flutter-tools.nvim"},
-      {src = "https://github.com/ray-x/lsp_signature.nvim"}
+      {src = "https://github.com/akinsho/flutter-tools.nvim"}
     }
   )
 end