perf script: Delete repeated word "from"

Delete the repeated word "from" in code.
Signed-off-by: Nshaomin Deng <dengshaomin@cdjrlc.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20220807080642.13004-1-dengshaomin@cdjrlc.comSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/builtin-script.c

@@ -3861,7 +3861,7 @@ int cmd_script(int argc, const char **argv)
 	OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
 			"Run xed disassembler on output", parse_xed),
 	OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
-			"Decode calls from from itrace", parse_call_trace),
+			"Decode calls from itrace", parse_call_trace),
 	OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
 			"Decode calls and returns from itrace", parse_callret_trace),
 	OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",