PanTauAnalysis: delete obsolete package

Delete obsolete PhysicsAnalysis/PanTauAnalysis package. The package is not referenced anywhere and did not receive any significant updates for a long time.

added full-build label

changed the description

Asking @martindl or @qbuat for explicit approval.

build area is cleaned as MR is labeled as full-build

This merge request affects 40 files. Since this is a long list, I will not print it here.

Adding @goetz ,@xiaozhon ,@adbailey ,@mhodgkin as watchers

added Analysis JetEtmiss Reconstruction Tau master review-pending-level-1 labels

Thanks @fwinkl , let me ask @cgrefe for confirmation. I was not in the tau business when this package was still in use.

resolved all threads

CI Result SUCCESS (hash 2608e220)

	Athena	AthSimulation	AthGeneration	AnalysisBase
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
AthGeneration: number of compilation errors 0, warnings 0
AnalysisBase: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 23513]

It looks like all interested approved, also approving (L1).

added review-approved label and removed review-pending-level-1 label

mentioned in commit 5bbc4871

merged

added sweep:ignore label