vimPlugins.ethersync: move to non-generated

Looks like it was missed in `overrides.nix` when it should be in
non-generated.

Signed-off-by: Austin Horstman <[e-mail]>

pkgs/applications/editors/vim/plugins/non-generated/ethersync/default.nix

···
+{
+  vimUtils,
+  ethersync,
+}:
+vimUtils.buildVimPlugin rec {
+  inherit (ethersync)
+    pname
+    version
+    src
+    meta
+    ;
+
+  sourceRoot = "${src.name}/nvim-plugin";
+}

pkgs/applications/editors/vim/plugins/overrides.nix

···
   # search-and-replace.nvim dependencies
   fd,
   sad,
-  # ethersync vim plugin
-  ethersync,
 }:
 self: super:
 let
···
     fixupPhase = ''
       patchShebangs $(find $out/bin/ -type f -not -name credo-language-server)
     '';
-  };
-
-  ethersync = buildVimPlugin rec {
-    inherit (ethersync)
-      pname
-      version
-      src
-      meta
-      ;
-
-    sourceRoot = "${src.name}/nvim-plugin";
   };
 
   executor-nvim = super.executor-nvim.overrideAttrs {