Healthd: Remove unused variables

For build-system CFLAGS clean-up, remove unused variables.

Change-Id: Ifc5884518bfdb744ea9823b98db544dbe59c20d2
Merge "Healthd: Remove unused variables"
Libsuspend: Remove unused variable

For build-system CFLAGS clean-up, remove unused variable.

Change-Id: I34bd33fd24b02ee58b64029146c253c61651d45f
Merge "Libsuspend: Remove unused variable"