Revert "If lambdaCoul was not defined, the default is lambdaVDW. Fixed the bug for checking the value of lambdaCoul, when electrostatic is off."
Revert "If lambdaCoul was not defined, the default is lambdaVDW. Fixed the bug for checking the value of lambdaCoul, when electrostatic is off."

This reverts commit d271cafb746a59ea67909218189b02029ca6dd2c.

GOMC-WSU/GOMC_Serial,GOMC-WSU/GOMC,GOMC-WSU/GOMC,GOMC-WSU/GOMC,GOMC-WSU/GOMC_Serial,GOMC-WSU/GOMC,GOMC-WSU/GOMC,GOMC-WSU/GOMC_Serial