TrigT1CaloFexPerf+L1CaloFEXToolInterfaces: move to L1CaloFEX subdirectory

Move the TrigT1CaloFexPerf and L1CaloFEXToolInterfaces packages to the L1CaloFEX sub-directory. This should have no impact on the release as only the package name itself is of relevance.

cc @mark

added full-build label

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

This merge request affects 4 packages:

• Trigger/TrigT1/L1CaloFEX/L1CaloFEXToolInterfaces
• Trigger/TrigT1/L1CaloFEX/TrigT1CaloFexPerf
• Trigger/TrigT1/L1CaloFEXToolInterfaces
• Trigger/TrigT1/TrigT1CaloFexPerf

Affected files list will not be printed in this case

Adding @bcarlson ,@serodrig ,@thompson ,@damazio as watchers

added JetEtmiss Tau Trigger master review-pending-level-1 labels

CI Result SUCCESS (hash 36cf84bc)

	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-CC7 63069]

L1-approved.

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

added review-approved-point1 label

added review-approved-tier0 label

merged

mentioned in commit 0043150c

added sweep:ignore label