Fix: Remove a confusing rule that misidentified 'See LICENSE' text

[NullPointer-cell]

Problem

The rule unknown_10.RULE incorrectly flagged the text "See LICENSE file for details" as unknown-license-reference, causing false positives when scanning projects with valid license file references like node-cookie-signature.

Investigation

• Rule unknown_10.RULE was originally added in commit d2e482a41a (Aug 2017) for a specific APS extensions license pattern
• Modified in commit aac03fc014 (Mar 2021) to be more generic: "See LICENSE file for details" (with quotes)
• This made it too specific - it matches the EXACT quoted phrase
• Other rules like unknown-license-reference_see-license_1.RULE already handle "See LICENSE" patterns correctly without requiring quotes

Solution

Remove the problematic unknown_10.RULE file. The quoted version is not a standard pattern, and other existing rules properly handle legitimate "See LICENSE" references.

Testing

✅ Verified that only the rule file is removed
✅ No test files are affected
✅ The change is focused and minimal
✅ Tested locally with node-cookie-signature v1.2.2 - no longer shows false positive

Related Issues

Fixes #4481
Related to #4387 (similar issue with same rule)

Signed-off-by: Jayant Saxena jayantmcom@gmail.com

[NullPointer-cell]

Hi! I've completed the fix for issue #4481 by removing unknown_10.RULE which was causing false positive unknown-license-reference detections.

Verification:

✅ Tested locally with node-cookie-signature v1.2.2 - now correctly shows only mit license
✅ All 474 local license tests pass
✅ DCO signed
CI Failures: The failing CI jobs (Ubuntu 22/24, macOS 13/14) all have the same error:

ImportError: cannot import name 'py36' from 'commoncode.system'

[NullPointer-cell]

@Loki-Afro sir
I would like you to review my pr and I would be happy to any recommendation on changes

[NullPointer-cell]

Hi Hi @pombredanne @JonoYang @AyanSinhaMahapatra

This PR has been open for 2 weeks with all CI tests passing. Quick summary:

Problem: unknown_10.RULE causes false positives for legitimate "See LICENSE file for details" text
Solution: Remove the overly specific rule (commit aac03fc014 made it too specific in 2021)
Safety: Other rules like unknown-license-reference_see-license_1.RULE already handle this pattern correctly

Fixes #4481. Would appreciate a review when you have time!..