Removed duplicated methods from IdealMolalSoln
Removed duplicated methods from IdealMolalSoln

The class incorrectly had copies of the non-virtual methods 'electricPotential'
and 'setElectricPotential' from the base class ThermoPhase.

git-svn-id: e76dbe14710aecee1ad27675521492cea2578c83@2053 02a645c2-efd0-11dd-984d-ab748d24aa7e

Cantera/cantera-svn,Cantera/cantera-svn,Cantera/cantera-svn,Cantera/cantera-svn,Cantera/cantera-svn,Cantera/cantera-svn