tools: Remove libav-merge-next-commit

Libav is no longer extant.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>

tools/libav-merge-next-commit

@@ -1,22 +0,0 @@
-#!/bin/sh
-
-if [ "$1" != "merge" -a "$1" != "noop" ]; then
-    printf "Usage: $0 <merge|noop [REF_HASH]>\n"
-    exit 0
-fi
-
-[ "$1" = "noop" ] && merge_opts="-s ours"
-
-nextrev=$(git rev-list libav/master --not master --no-merges | tail -n1)
-if [ -z "$nextrev" ]; then
-    printf "Nothing to merge..\n"
-    exit 0
-fi
-printf "Merging $(git log -n 1 --oneline $nextrev)\n"
-git merge --no-commit $merge_opts --no-ff --log $nextrev
-
-if [ "$1" = "noop" -a -n "$2" ]; then
-    printf "\nThis commit is a noop, see $2\n" >> .git/MERGE_MSG
-fi
-
-printf "\nMerged-by: $(git config --get user.name) <$(git config --get user.email)>\n" >> .git/MERGE_MSG