hack: make.sh: remove not used function

Signed-off-by: Antonio Murdaca <runcom@redhat.com>

hack/make.sh

@@ -232,25 +232,6 @@ binary_extension() {
 	fi
 }
 
-# This helper function walks the current directory looking for directories
-# holding certain files ($1 parameter), and prints their paths on standard
-# output, one per line.
-find_dirs() {
-	find . -not \( \
-		\( \
-			-path './vendor/*' \
-			-o -path './integration-cli/*' \
-			-o -path './contrib/*' \
-			-o -path './pkg/mflag/example/*' \
-			-o -path './.git/*' \
-			-o -path './bundles/*' \
-			-o -path './docs/*' \
-			-o -path './pkg/libcontainer/nsinit/*' \
-		\) \
-		-prune \
-	\) -name "$1" -print0 | xargs -0n1 dirname | sort -u
-}
-
 hash_files() {
 	while [ $# -gt 0 ]; do
 		f="$1"