phpcs.xml: exclude sniff PSR2R.Classes.TraitName
phpcs.xml: exclude sniff PSR2R.Classes.TraitName

We do not want to require that trait names end in "Trait". Currently,
our traits are in a `Traits` namespace instead.

hemberger/smr,smrealms/smr,hemberger/smr,hemberger/smr,smrealms/smr,hemberger/smr,smrealms/smr