Removing extra parameters and SX s-channel diagrams [skip modfiles]

Changes introduced

1. Removing the extra parameters for particle cuts
2. Removing SX s-channel diagrams

Tests

Studies referenced in this presentation:

https://indico.cern.ch/event/1319801/contributions/5560054/attachments/2707315/4700269/CH%20MC%20Request-1.pdf

demonstrate that Composite Higgs present low signal efficiency. Studies show large discrepancy coming from the VBF selection and different jet multiplicities.

JIRA ticket for reference:

https://its.cern.ch/jira/browse/ATLMCPROD-10935

Issues resolved

Closes #