Pull request: all: cleanup

Merge in DNS/adguard-home from cleanup to master

Squashed commit of the following:

commit a62e28cd35fefe45e228d1762aa2c148204c3065
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Wed Dec 9 12:24:34 2020 +0300

    all: more cleanup

commit 04dc2220483fa3216b138b7b848b818dcc2a393a
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Tue Dec 8 20:52:28 2020 +0300

    all: cleanup

.githooks/pre-commit

@@ -11,7 +11,7 @@ fi
 found=0
 git diff --cached --name-only | grep -q '.go$' && found=1
 if [ $found == 1 ]; then
-	make lint-go || exit 1
+	make go-lint || exit 1
 	go test ./... || exit 1
 fi