neovim: Remove broken plugins

As nice as it would be to use nvim-cursorline, it simply causes too many
issues with other files, throwing errors on each cursor movement.

home.nix

@@ -942,22 +942,6 @@
           type = "lua";
           config = "require('lualine').setup()";
         }
-        {
-          plugin = nvim-cursorline;
-          type = "lua";
-          config = ''
-            require('nvim-cursorline').setup {
-              cursorline = {
-                enable = false,
-              },
-              cursorword = {
-                enable = true,
-                min_length = 3,
-                hl = { underline = true },
-              }
-            }
-          '';
-        }
         {
           plugin = comment-nvim;
           type = "lua";
@@ -967,10 +951,6 @@
           plugin = plenary-nvim;
           type = "lua";
         }
-        {
-          plugin = clipboard-image-nvim;
-          type = "lua";
-        }
         {
           plugin = vimtex;
           config = ''