x86/fpu: Remove unused trace events

The following trace events are not used and defining them just wastes
memory:

  x86_fpu_before_restore
  x86_fpu_after_restore
  x86_fpu_init_state

Simply remove them.

Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Linux Trace Kernel <linux-trace-kernel@vger.kernel.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Link: https://lore.kernel.org/all/20250529130138.544ffec4@gandalf.local.home  # background
Link: https://lore.kernel.org/r/20250529131024.7c2ef96f@gandalf.local.home    # x86 submission

Author: rostedt

arch/x86/include/asm/trace/fpu.h

@@ -44,16 +44,6 @@ DEFINE_EVENT(x86_fpu, x86_fpu_after_save,
 	TP_ARGS(fpu)
 );
 
-DEFINE_EVENT(x86_fpu, x86_fpu_before_restore,
-	TP_PROTO(struct fpu *fpu),
-	TP_ARGS(fpu)
-);
-
-DEFINE_EVENT(x86_fpu, x86_fpu_after_restore,
-	TP_PROTO(struct fpu *fpu),
-	TP_ARGS(fpu)
-);
-
 DEFINE_EVENT(x86_fpu, x86_fpu_regs_activated,
 	TP_PROTO(struct fpu *fpu),
 	TP_ARGS(fpu)
@@ -64,11 +54,6 @@ DEFINE_EVENT(x86_fpu, x86_fpu_regs_deactivated,
 	TP_ARGS(fpu)
 );
 
-DEFINE_EVENT(x86_fpu, x86_fpu_init_state,
-	TP_PROTO(struct fpu *fpu),
-	TP_ARGS(fpu)
-);
-
 DEFINE_EVENT(x86_fpu, x86_fpu_dropped,
 	TP_PROTO(struct fpu *fpu),
 	TP_ARGS(fpu)