Reduces files to the built-in makefile type for pre-commit

As nudged [here][1], but this won't be fully effective until pre-commit/identify#353 is merged.

I think this is safe because so few people use `*.make`... I think I've seen it maybe a few times in 20 years.

[1]: pre-commit/pre-commit.com#756 (comment)

.pre-commit-hooks.yaml

@@ -3,9 +3,4 @@
     entry: checkmake
     language: golang
     pass_filenames: true
-    files: |
-        (?x)^(
-            (GNU)?[Mm]akefile|
-            .*\.mk|
-            .*\.make
-        )$
+    types: [makefile]