Reverted changes for ModelicaTest.Fluid.TestExamplesVariants.IncompressibleFluidNetwork_StandardWaterOnePhase
since with the changes (removed overdetermined initial conditions) the simulation failed after some time.

git-svn-id: https://svn.modelica.org/projects/Modelica/trunk@6821 7ce873d0-865f-4ce7-a662-4bb36ea78beb