8001906: build-infra: warning: [path] bad path element on Solaris

Summary: Remove unnecesary -cp parameter from compile line
Reviewed-by: ohair, tbell
Contributed-by: erik.joelsson@oracle.com

makefiles/CompileDemos.gmk

@@ -166,9 +166,9 @@ $(eval $(call SetupDemo,SampleTree,jfc,,SampleTree,,,README*))
 $(eval $(call SetupDemo,SwingApplet,jfc,,SwingApplet,,,README* *.html))
 $(eval $(call SetupDemo,TableExample,jfc,,TableExample,,,README*))
 $(eval $(call SetupDemo,TransparentRuler,jfc,,transparentruler.Ruler,,,README*))
-$(eval $(call SetupDemo,jconsole-plugin,scripting,-cp $(JDK_OUTPUTDIR)/lib/jconsole.jar,,,,*.xml *.txt,,,,Main-Class: \n))
+$(eval $(call SetupDemo,jconsole-plugin,scripting,,,,,*.xml *.txt,,,,Main-Class: \n))
 $(eval $(call SetupDemo,FullThreadDump,management,,FullThreadDump,,,README*))
-$(eval $(call SetupDemo,JTop,management,-cp $(JDK_OUTPUTDIR)/lib/jconsole.jar,JTop,,,README*))
+$(eval $(call SetupDemo,JTop,management,,JTop,,,README*))
 $(eval $(call SetupDemo,MemoryMonitor,management,,MemoryMonitor,,,README*))
 $(eval $(call SetupDemo,VerboseGC,management,,VerboseGC,,,README*))
 $(eval $(call SetupDemo,zipfs,nio,,,,,README* *.java,,,,Main-Class: \n))