tracing: probe-events: Remove unused MAX_ARG_BUF_LEN macro

JIRA: https://issues.redhat.com/browse/RHEL-86682

commit fd5ba38
Author: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Date:   Wed Feb 26 15:19:18 2025 +0900

    tracing: probe-events: Remove unused MAX_ARG_BUF_LEN macro

    Commit 18b1e87 ("tracing/probes: Add $arg* meta argument for all
    function args") introduced MAX_ARG_BUF_LEN but it is not used.
    Remove it.

    Link: https://lore.kernel.org/all/174055075876.4079315.8805416872155957588.stgit@mhiramat.tok.corp.google.com/

    Fixes: 18b1e87 ("tracing/probes: Add $arg* meta argument for all function args")
    Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
    Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>

Signed-off-by: Jerome Marchand <jmarchan@redhat.com>

Author: jeromemarchand

kernel/trace/trace_probe.h

@@ -36,7 +36,6 @@
 #define MAX_BTF_ARGS_LEN	128
 #define MAX_DENTRY_ARGS_LEN	256
 #define MAX_STRING_SIZE		PATH_MAX
-#define MAX_ARG_BUF_LEN		(MAX_TRACE_ARGS * MAX_ARG_NAME_LEN)
 
 /* Reserved field names */
 #define FIELD_STRING_IP		"__probe_ip"