Move legacy Vertexing Unit tests to CA (ATLIDTRKCP-536)

Closes ATLIDTRKCP-536

FYI @nstyles @jburzyns

added NewConfig Tracking labels

This merge request affects 4 packages:

• Tracking/TrkConfig
• Tracking/TrkVertexFitter/TrkVKalVrtFitter
• Tracking/TrkVertexFitter/TrkVertexFitters
• Tracking/TrkVertexFitter/TrkVertexSeedFinderTools

Affected files list will not be printed in this case

Adding @tstreble as watcher

added main review-pending-level-1 labels

CI Result SUCCESS (hash 62190e26)

	Athena
externals
cmake
make
tests

Full details available on this CI monitor view. Check the JIRA CI status board for known problems
Athena: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-EL9 4367]

removed review-pending-level-1 label

added review-approved label

merged

mentioned in commit 1e79710e