overlay: clean up abandoned entries

home/overlays.nix

@@ -3,7 +3,6 @@
   (
     self: super:
       rec {
-        #jami-ring-daemon = super.qt5.callPackage ./ov/jami/ring-daemon.nix {};
         myVim = with super; neovim.override { configure = {
           packages.myVimPackage = with pkgs.vimPlugins; {
             # loaded on start
@@ -27,9 +26,6 @@
           };
           customRC = builtins.readFile ./vimrc;
         };};
-        # build with debug symbols and in debug mode (less optimized)
-        opencvDebug = with super; enableDebugging ((opencv3.override { enablePython = true; enableGtk3 = true; enableDocs = true; pythonPackages = pkgs.python3Packages; }).overrideAttrs (oldAttrs: rec { cmakeBuildType = "Debug"; }));
-        #gnutls = super.callPackage ./ov/gnutls {inherit (super.darwin.apple_sdk.frameworks) Security;};
       }
   )
 

home/vimrc

@@ -37,7 +37,9 @@ set autoindent
 set history=1000
 " set cursorline
 " use system clipboard as default buffer
-set clipboard=unnamed
+" unnamedplus corresponds to the + register on Linux,
+" representing system clipboard (not X11 clipboard)
+set clipboard=unnamedplus
 
 " set expandtab
 set shiftwidth=4