java/openjdk23: remove patch that breaks build

os::current_stack_base_and_size is implemented is os_bsd.cpp.

java/openjdk23/files/patch-src_hotspot_os__cpu_bsd__ppc_os__bsd__ppc.cpp

@@ -1,44 +0,0 @@
---- src/hotspot/os_cpu/bsd_ppc/os_bsd_ppc.cpp.orig	2024-04-11 22:23:08 UTC
-+++ src/hotspot/os_cpu/bsd_ppc/os_bsd_ppc.cpp
-@@ -61,6 +61,7 @@
- # include <sys/types.h>
- # include <sys/mman.h>
- # include <pthread.h>
-+# include <pthread_np.h>
- # include <signal.h>
- # include <errno.h>
- # include <dlfcn.h>
-@@ -432,6 +433,33 @@ size_t os::Posix::default_stack_size(os::ThreadType th
-   // Default stack size (compiler thread needs larger stack).
-   size_t s = (thr_type == os::compiler_thread ? 4 * M : 1024 * K);
-   return s;
-+}
-+
-+void os::current_stack_base_and_size(address* base, size_t* size) {
-+  address bottom;
-+  pthread_attr_t attr;
-+
-+  int rslt = pthread_attr_init(&attr);
-+
-+  // JVM needs to know exact stack location, abort if it fails  
-+  if (rslt != 0)
-+    fatal("pthread_attr_init failed with error = %d", rslt);
-+
-+  rslt = pthread_attr_get_np(pthread_self(), &attr);
-+
-+  if (rslt != 0)
-+    fatal("pthread_attr_get_np failed with error = %d", rslt);
-+
-+  if (pthread_attr_getstackaddr(&attr, (void **)&bottom) != 0 ||
-+      pthread_attr_getstacksize(&attr, size) != 0) {
-+    fatal("Can not locate current stack attributes!");
-+  }
-+
-+  *base = bottom + *size;
-+
-+  pthread_attr_destroy(&attr);
-+  assert(os::current_stack_pointer() >= bottom &&
-+         os::current_stack_pointer() < *base, "just checking");
- }
- 
- /////////////////////////////////////////////////////////////////////////////