STR-502: first version of unused-label removal seems to be incorrect; invocation commented out
STR-502: first version of unused-label removal seems to be incorrect; invocation commented out

svn path=/strategoxt/trunk/; revision=14351

lichtemo/strategoxt,Apanatshka/strategoxt,Apanatshka/strategoxt,Apanatshka/strategoxt,metaborg/strategoxt,lichtemo/strategoxt,metaborg/strategoxt,lichtemo/strategoxt,metaborg/strategoxt,metaborg/strategoxt,lichtemo/strategoxt,lichtemo/strategoxt,metaborg/strategoxt,Apanatshka/strategoxt,Apanatshka/strategoxt