Don't regenerate the bytecode that was removed by the autogenerated
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This merge request is automatically cherrypicked from !1584 (merged) from source branch https://source.coderefinery.org/ellert/arc/-/tree/arex-clean-uninstall orginally made by @ellert .
The original MR went to branch: https://source.coderefinery.org/nordugrid/arc/-/tree/next
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part of the prerm debhelper maintainer script in nordugrid-arc-arex