removed examples with copyright issues at FSF request

examples/functions/xalias.bash

@@ -1,22 +0,0 @@
-# xalias - convert csh alias commands to bash functions
-# from Mohit Aron <aron@cs.rice.edu>
-# posted to usenet as <4i5p17$bnu@larry.rice.edu>
-function xalias ()
-{
-	if [ "x$2" = "x" ] 
-	then
-		declare -f $1
-	else
-		case $2 in
-		*[#\!]*)
-			comm=$(echo $2 | sed  's/\\!\*/\"$\@\"/g
-					       s/\\!:\([1-9]\)/\"$\1\"/g
-				               s/#/\\#/g')
-			;;
-		*)
-			comm="$2 \"\$@\"" ;;
-		esac
-
-		eval function $1 \(\) "{" command "$comm"  "; }"
-	fi
-}