Revert 6bb8de5 to avoid breaking test_cxx_remote_services_integration.

[PengZheng]

IMHO, we should find out why 6bb8de5 breaks test_cxx_remote_services_integration, there seems something very unusual happens inside C++ RSA. TestExportImportRemoteServiceFactory seems buggy as explained here.

This PR can serve as a stop gap. The more involved design issue of TestExportImportRemoteServiceFactory should be addressed later.

[codecov-commenter]

Codecov Report

Merging #654 (da65fcf) into master (be8a413) will decrease coverage by 0.08%.
The diff coverage is 100.00%.

❗ Current head da65fcf differs from pull request most recent head 4e15eaf. Consider uploading reports for the commit 4e15eaf to get more accurate results

@@            Coverage Diff             @@
##           master     #654      +/-   ##
==========================================
- Coverage   81.68%   81.60%   -0.08%     
==========================================
  Files         260      260              
  Lines       34675    34680       +5     
==========================================
- Hits        28323    28300      -23     
- Misses       6352     6380      +28     

Files Changed	Coverage Δ
libs/framework/src/framework.c	85.04% <100.00%> (-0.20%)	⬇️

... and 6 files with indirect coverage changes

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[rlenferink]

LGTM (tested locally and the test failure is solved)

[PengZheng]

#653 turns out to be a design flaw of cxx_remote_services, not an issue of the framework.
So I will close this, and send another workaround PR for cxx_remote_services instead.