8237777: "Dumping core ..." is shown despite claiming that "# No core dump will be written."

Remove the unneeded and possibly misleading message.

Backport-of: 1f31afd

Author: Andrew Lu

src/hotspot/os/aix/os_aix.cpp

@@ -1184,14 +1184,6 @@ void os::shutdown() {
 void os::abort(bool dump_core, void* siginfo, const void* context) {
   os::shutdown();
   if (dump_core) {
-#ifndef PRODUCT
-    fdStream out(defaultStream::output_fd());
-    out.print_raw("Current thread is ");
-    char buf[16];
-    jio_snprintf(buf, sizeof(buf), UINTX_FORMAT, os::current_thread_id());
-    out.print_raw_cr(buf);
-    out.print_raw_cr("Dumping core ...");
-#endif
     ::abort(); // dump core
   }
 

src/hotspot/os/bsd/os_bsd.cpp

@@ -1092,14 +1092,6 @@ void os::shutdown() {
 void os::abort(bool dump_core, void* siginfo, const void* context) {
   os::shutdown();
   if (dump_core) {
-#ifndef PRODUCT
-    fdStream out(defaultStream::output_fd());
-    out.print_raw("Current thread is ");
-    char buf[16];
-    jio_snprintf(buf, sizeof(buf), UINTX_FORMAT, os::current_thread_id());
-    out.print_raw_cr(buf);
-    out.print_raw_cr("Dumping core ...");
-#endif
     ::abort(); // dump core
   }
 

src/hotspot/os/linux/os_linux.cpp

@@ -1648,14 +1648,6 @@ void os::abort(bool dump_core, void* siginfo, const void* context) {
     if (DumpPrivateMappingsInCore) {
       ClassLoader::close_jrt_image();
     }
-#ifndef PRODUCT
-    fdStream out(defaultStream::output_fd());
-    out.print_raw("Current thread is ");
-    char buf[16];
-    jio_snprintf(buf, sizeof(buf), UINTX_FORMAT, os::current_thread_id());
-    out.print_raw_cr(buf);
-    out.print_raw_cr("Dumping core ...");
-#endif
     ::abort(); // dump core
   }
 

src/hotspot/os/solaris/os_solaris.cpp

@@ -1332,14 +1332,6 @@ void os::shutdown() {
 void os::abort(bool dump_core, void* siginfo, const void* context) {
   os::shutdown();
   if (dump_core) {
-#ifndef PRODUCT
-    fdStream out(defaultStream::output_fd());
-    out.print_raw("Current thread is ");
-    char buf[16];
-    jio_snprintf(buf, sizeof(buf), UINTX_FORMAT, os::current_thread_id());
-    out.print_raw_cr(buf);
-    out.print_raw_cr("Dumping core ...");
-#endif
     ::abort(); // dump core (for debugging)
   }