Remove old aliases

shrc

@@ -841,12 +841,6 @@ mkcdd(){
         mkcd "$_d"
 }
 
-if test -n "$TMUX" && null type reattach-to-user-namespace
-then
-    alias pbpaste="reattach-to-user-namespace pbpaste"
-    alias pbcopy="reattach-to-user-namespace pbcopy"
-fi
-
 __catclip(){
     if $iswindows
     then