[JENKINS-74191][JENKINS-74192][JENKINS-74193][JENKINS-74194][JENKINS-74195] Fix CSP

[yaroslavafenkin]

• https://issues.jenkins.io/browse/JENKINS-74191
• https://issues.jenkins.io/browse/JENKINS-74192
• https://issues.jenkins.io/browse/JENKINS-74193
• https://issues.jenkins.io/browse/JENKINS-74194
• https://issues.jenkins.io/browse/JENKINS-74195

I suspect files.jelly, folders.jelly, languages.jelly and modules.jelly are unused. They can be navigated to directly by going to e.g. job/sloccount/17/sloccountResult/files, but Behaviour is not defined there, so the script tags in those files seem pointless. Did the regular extraction nevertheless in case I'm missing something.

Testing done

Before the change After the change

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[mawinter69]

My assumption is that the stuff is loaded via the index.jelly. Then it uses YAHOO tabview to load the pages and present them as tabs on the index page. As YAHOO is to be removed soon, that will stop working.