CI: Update nolintlint config

`allow-leading-space: false` is not valid config anymore

```
$ golangci-lint config verify
jsonschema: "linters-settings.nolintlint" does not validate with "/properties/linters-settings/properties/nolintlint/additionalProperties": additionalProperties 'allow-leading-space' not allowed
Failed executing command with error: the configuration contains invalid elements
```

Author: dveeden

.golangci.yml

@@ -21,7 +21,6 @@ linters:
 linters-settings:
   nolintlint:
     allow-unused: false
-    allow-leading-space: false
     require-specific: true
 
   govet: