Proposed changes

Hello, these assignments are a legacy from CRS 3, when the rule used a chained structure, which is no longer the case. There is therefore no longer any reason to keep these variable assignments to preserve the mappings from the first link in the chain.

PR Checklist

• [ X] I have read the CONTRIBUTING doc
• I have added positive tests proving my fix/feature works as intended.
• I have added negative tests that prove my fix/feature considers common cases that might end in false positives
• In case you changed a regular expression, you are not adding a ReDOS for pcre. You can check this using regexploit
• My test use the comment field to write the expected behavior
• I have added documentation for the rule or change (when appropriate)

Further comments

For the reviewer

• Positive and negative tests were added
• Tests cover the intended fix/feature properly
• No usage of dangerous constructs like ctl:requestBodyAccess=Off were used in the rule
• In case a regular expression was changed, there is no ReDOS
• Documentation is clear for the rule/change