csscomp/opensource: let javacc use the package name specified in the jj file
csscomp/opensource: let javacc use the package name specified in the jj file

This just removes a configuration override that was present due to naive
copy/paste from the plugin usage example.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=130285609

google/postcss-rename,google/postcss-rename,google/closure-stylesheets