21.2 Clean JpsiUpsilonTools Package

Adam Edward Bartonrequested to merge
abarton/athena:21.2CleanJpsiFinder into 21.2

This MR removes some unused files from the JpsiUpsilonTools package. Some will be added again later in a new working state.

Basic optimizations are made to some tools, these should not change any behaviour.

cc @wwalko

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