makepkg: don't run remove_deps twice when unneeded

remove_deps already has a check and won't run unless -r is specified, so
if this was meant to remove dependencies of a failure no matter what,
then it's not doing it, and with -r it is run twice on a failure for no
real reason.

Signed-off-by: William Giokas <1007380@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>

scripts/makepkg.sh.in

@@ -1356,7 +1356,6 @@ error_function() {
 	if (( ! BASH_SUBSHELL )); then
 		error "$(gettext "A failure occurred in %s().")" "$1"
 		plain "$(gettext "Aborting...")"
-		remove_deps
 	fi
 	exit 2 # $E_BUILD_FAILED
 }