CodeClimate: disable golint

golint was frozen and deprecated in 2020. We should disable golint
on this project, as we use Go 1.19, released in 2022.

golint deprecation issue: golang/go#38968

Author: john-odonnell

.codeclimate.yml

@@ -74,7 +74,7 @@ plugins:
   gofmt:
     enabled: true
   golint:
-    enabled: true
+    enabled: false
     exclude_patterns:
       - "**/"                # exclude all
       - "!./cmd/"            # unexclude just the ones we want to lint