[PWGLF,PWGMM] Cleanup following reassociation checks

[gbencedi]

• Major cleanup following reassociation checks
• Keep only processes for CentFT0C estimator

[github-actions]

O2 linter results: ❌ 0 errors, ⚠️ 0 warnings, 🔕 0 disabled

[alibuild]

Auto-approving on behalf of @gbencedi.

[alibuild]

Error while checking build/O2Physics/code-check for a109d86 at 2026-09-22 21:47:

## sw/BUILD/O2-latest/log
Error: missing ; at end of rule at /sw/SOURCES/O2/daily-20260922-0000/daily-20260922-0000/Detectors/TPC/base/src/TPCBaseLinkDef.h:75:56
Error: missing ; at end of rule at /sw/SOURCES/O2/daily-20260922-0000/daily-20260922-0000/Detectors/TPC/base/src/TPCBaseLinkDef.h:83:135
Error: missing ; at end of rule at /sw/SOURCES/O2/daily-20260922-0000/daily-20260922-0000/Detectors/TPC/base/src/TPCBaseLinkDef.h:84:135
Error: missing ; at end of rule at /sw/SOURCES/O2/daily-20260922-0000/daily-20260922-0000/Detectors/Upgrades/ALICE3/ECal/base/src/ECalBaseLinkDef.h:19:48
Error: missing ; at end of rule at /sw/SOURCES/O2/daily-20260922-0000/daily-20260922-0000/Detectors/Upgrades/ALICE3/RICH/base/src/RICHBaseLinkDef.h:18:48
Error: missing ; at end of rule at /sw/SOURCES/O2/daily-20260922-0000/daily-20260922-0000/Detectors/Upgrades/ALICE3/MID/base/src/MI3BaseLinkDef.h:18:47


## sw/BUILD/O2Physics-code-check-latest/log
--
========== List of issues found ==========
++ echo 'Found 1 errors and 1 warnings.'
Found 1 errors and 1 warnings.
++ [[ 1 -gt 0 ]]
++ cat /sw/BUILD/56502446293609729ac446ac28a6732fc19b9977/O2Physics-code-check/errors.txt
PWGMM/Mult/Tasks/dndetaMFTPbPb.cxx:26:1: error: included header CollisionAssociationTables.h is not used directly [misc-include-cleaner,-warnings-as-errors]
++ [[ 1 -gt 0 ]]
++ cat /sw/BUILD/56502446293609729ac446ac28a6732fc19b9977/O2Physics-code-check/warnings.txt
PWGMM/Mult/Tasks/dndetaMFTPbPb.cxx:2382:37: warning: boolean expression can be simplified by DeMorgan's theorem [readability-simplify-boolean-expr]
++ [[ 1 -gt 0 ]]
++ exit 1
--

Full log here.

[vkucera]

@gbencedi Please remember to fix errors before merging.