rebuild-todo: Remove deprecated 'bump_pkgrel' function

Irrelevant / useless since we now use 'pkgctl --rebuild'

Author: Antiz96

package/rebuild-todo

@@ -6,13 +6,6 @@ set -eou pipefail
 
 PROGNAME="${BASH_SOURCE[0]##*/}"
 
-bump_pkgrel() {
-    oldrel=$(grep 'pkgrel=' < <(svn cat PKGBUILD) | cut -d= -f2)
-    rel=${oldrel%%.*}
-    newrel=$((rel + 1))
-    sed -i "s/pkgrel=$oldrel/pkgrel=$newrel/" PKGBUILD
-}
-
 usage() {
     cat <<- _EOF_
 		Usage: ${PROGNAME} [OPTIONS] URL