cleanup: drop unused dataclass

see: open-component-model/delivery-service#282

concourse/model/traits/image_scan.py

@@ -5,7 +5,6 @@
 
 import dataclasses
 import enum
-import re
 import typing
 
 import dacite
@@ -74,26 +73,6 @@ class GithubIssueTemplateCfg:
     type: str
 
 
-@dataclasses.dataclass
-class LicenseCfg:
-    '''
-    configures license policies for discovered licences
-
-    licenses are configured as lists of regular expressions (matching is done case-insensitive)
-    '''
-    prohibited_licenses: typing.Optional[list[str]] = None
-
-    def is_allowed(self, license: str):
-        if not self.prohibited_licenses:
-            return True
-
-        for prohibited in self.prohibited_licenses:
-            if re.fullmatch(prohibited, license, re.IGNORECASE):
-                return False
-        else:
-            return True
-
-
 @dataclasses.dataclass(frozen=True)
 class IssuePolicies:
     max_processing_time_days: gcm.MaxProcessingTimesDays = gcm.MaxProcessingTimesDays()