Remove logging statement for solvent corrections on new species.
Remove logging statement for solvent corrections on new species.

Don't repeat the same logging statement for every new species at each enlargement
step.  We may want to add a single logging statement when solvation corrections
are used.

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