Remove slow redundant line from __exploreCyclesRecursively
Remove slow redundant line from __exploreCyclesRecursively

It had previously been used to generate debugging information to print to the
console, but this was no longer being used. Oh, and it was SLOW.

KEHANG/RMG-Py,chatelak/RMG-Py,pierrelb/RMG-Py,enochd/RMG-Py,faribas/RMG-Py,nyee/RMG-Py,enochd/RMG-Py,comocheng/RMG-Py,faribas/RMG-Py,nickvandewiele/RMG-Py,comocheng/RMG-Py,pierrelb/RMG-Py,nyee/RMG-Py,nickvandewiele/RMG-Py,KEHANG/RMG-Py,chatelak/RMG-Py