7104565: trim jprt build targets

Remove JPRT debug builds, remove -DDEBUG -DFASTDEBUG and use ASSERT instead in sources

Reviewed-by: dholmes, kvn, coleenp

hotspot/src/os/windows/vm/os_windows.cpp

@@ -4238,9 +4238,6 @@ char * os::native_path(char *path) {
           path[3] = '\0';
   }
 
-  #ifdef DEBUG
-    jio_fprintf(stderr, "sysNativePath: %s\n", path);
-  #endif DEBUG
   return path;
 }