removed unused, and deprecated import statement
removed unused, and deprecated import statement

the import from the sun API was deprecated, but not used anymore
in ThermoData type.

keceli/RMG-Java,ReactionMechanismGenerator/RMG-Java,nyee/RMG-Java,jwallen/RMG-Java,enochd/RMG-Java,KEHANG/RMG-Java,nyee/RMG-Java,keceli/RMG-Java,nyee/RMG-Java,rwest/RMG-Java,ReactionMechanismGenerator/RMG-Java,jwallen/RMG-Java,jwallen/RMG-Java,keceli/RMG-Java,ReactionMechanismGenerator/RMG-Java,connie/RMG-Java,keceli/RMG-Java,ReactionMechanismGenerator/RMG-Java,keceli/RMG-Java,connie/RMG-Java,jwallen/RMG-Java,enochd/RMG-Java,rwest/RMG-Java,connie/RMG-Java,rwest/RMG-Java,KEHANG/RMG-Java,KEHANG/RMG-Java,enochd/RMG-Java,nyee/RMG-Java,enochd/RMG-Java,nyee/RMG-Java,rwest/RMG-Java,KEHANG/RMG-Java,jwallen/RMG-Java,keceli/RMG-Java,enochd/RMG-Java,rwest/RMG-Java,KEHANG/RMG-Java,KEHANG/RMG-Java,connie/RMG-Java,enochd/RMG-Java,ReactionMechanismGenerator/RMG-Java,nyee/RMG-Java,connie/RMG-Java,jwallen/RMG-Java