[19089] Fix HelloWorld DataSharing example idl (backport #3714)

[mergify]

This is an automatic backport of pull request #3714 done by Mergify.
Cherry-pick of 4fed0bd has failed:

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Changes to be committed:
	modified:   examples/C++/DDS/ContentFilteredTopicExample/HelloWorld.idl
	modified:   examples/C++/DDS/ContentFilteredTopicExample/HelloWorldPubSubTypes.h
	modified:   examples/C++/DDS/HelloWorldExample/HelloWorld.cxx

Unmerged paths:
  (use "git add/rm <file>..." as appropriate to mark resolution)
	both modified:   examples/C++/DDS/ContentFilteredTopicExample/HelloWorld.h
	deleted by us:   examples/cpp/dds/HelloWorldExampleDataSharing/HelloWorldCdrAux.hpp

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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[JesusPoderoso]

I am closing this PR due to HelloWorkExampleDataSharing does not exist in this Fast DDS 2.6.x version.