genirq/matrix: Remove unused irq_matrix_alloc_reserved tracepoint

The tracepoint irq_matrix_alloc_reserved was added but never used.
Remove it.

Link: https://lore.kernel.org/all/20250529130138.544ffec4@gandalf.local.home/

Cc: Juergen Gross <jgross@suse.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Link: https://lore.kernel.org/20250529135739.26e5c075@gandalf.local.home
Fixes: ec0f7cd ("genirq/matrix: Add tracepoints")
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>

Author: rostedt

include/trace/events/irq_matrix.h

@@ -138,14 +138,6 @@ DEFINE_EVENT(irq_matrix_global_update, irq_matrix_assign_system,
 	TP_ARGS(bit, matrix)
 );
 
-DEFINE_EVENT(irq_matrix_cpu, irq_matrix_alloc_reserved,
-
-	TP_PROTO(int bit, unsigned int cpu,
-		 struct irq_matrix *matrix, struct cpumap *cmap),
-
-	TP_ARGS(bit, cpu, matrix, cmap)
-);
-
 DEFINE_EVENT(irq_matrix_cpu, irq_matrix_reserve_managed,
 
 	TP_PROTO(int bit, unsigned int cpu,