8144957: Remove PICL warning message

Summary: There is no need to print any error/warning message when a library needed for performance optimization is not found on the system
Reviewed-by: poonam, kvn
Contributed-by: NShafi Ahmad <shafi.s.ahmad@oracle.com>

src/os_cpu/solaris_sparc/vm/vm_version_solaris_sparc.cpp

@@ -244,7 +244,6 @@ bool PICL::bind_library_functions() {
 bool PICL::open_library() {
   _dl_handle = dlopen("libpicl.so.1", RTLD_LAZY);
   if (_dl_handle == NULL) {
-    warning("PICL (libpicl.so.1) is missing. Performance will not be optimal.");
     return false;
   }
   if (!bind_library_functions()) {