8172307: Remove ununsed JVM API JVM_GetModuleByPackageName()
Summary: Remove get_module_by_package_name() etc., and unneeded test.
Reviewed-by: sspitsyn, gtriantafill
These files are generated from docs/technotes/tools pages in the
jdk/pubs subspace of the jdk workspace (adjacent to jdk/j2se).