Reformat JVM options
Reformat JVM options

- Commented out memory parameter, which is likely to differ per environment.
- Remove JVM options which was causing following warning messages:
  - Java HotSpot(TM) 64-Bit Server VM warning: ignoring option PreBlockSpin=8; support was removed in 7.0_40
  - Java HotSpot(TM) 64-Bit Server VM warning: disabling UseAdaptiveSizePolicy; it is incompatible with UseConcMarkSweepGC.

Change-Id: Ic88166f3b635d76f2cd01cacdcb94cd82367adeb

opennetworkinglab/spring-open,opennetworkinglab/spring-open,opennetworkinglab/spring-open,opennetworkinglab/spring-open,opennetworkinglab/spring-open,opennetworkinglab/spring-open