perf doc: Remove cmd-list.perl references

cmd-list.perl exists in git but not in perf. As such these targets fail
with missing dependencies. Remove them.
Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: https //lore.kernel.org/r/20210715013343.2286699-6-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/Documentation/Makefile

@@ -237,24 +237,6 @@ $(OUTPUT)doc.dep : $(wildcard *.txt) build-docdep.perl
 
 -include $(OUTPUT)doc.dep
 
-_cmds_txt = cmds-ancillaryinterrogators.txt \
-	cmds-ancillarymanipulators.txt \
-	cmds-mainporcelain.txt \
-	cmds-plumbinginterrogators.txt \
-	cmds-plumbingmanipulators.txt \
-	cmds-synchingrepositories.txt \
-	cmds-synchelpers.txt \
-	cmds-purehelpers.txt \
-	cmds-foreignscminterface.txt
-cmds_txt=$(addprefix $(OUTPUT),$(_cmds_txt))
-
-$(cmds_txt): $(OUTPUT)cmd-list.made
-
-$(OUTPUT)cmd-list.made: cmd-list.perl ../command-list.txt $(MAN1_TXT)
-	$(QUIET_GEN)$(RM) $@ && \
-	$(PERL_PATH) ./cmd-list.perl ../command-list.txt $(QUIET_STDERR) && \
-	date >$@
-
 CLEAN_FILES =									\
 	$(MAN_XML) $(addsuffix +,$(MAN_XML))					\
 	$(MAN_HTML) $(addsuffix +,$(MAN_HTML))					\
@@ -262,8 +244,7 @@ CLEAN_FILES =									\
 	$(OUTPUT)*.texi $(OUTPUT)*.texi+ $(OUTPUT)*.texi++			\
 	$(OUTPUT)perf.info $(OUTPUT)perfman.info				\
 	$(OUTPUT)howto-index.txt $(OUTPUT)howto/*.html $(OUTPUT)doc.dep		\
-	$(OUTPUT)technical/api-*.html $(OUTPUT)technical/api-index.txt		\
-	$(cmds_txt) $(OUTPUT)*.made
+	$(OUTPUT)technical/api-*.html $(OUTPUT)technical/api-index.txt
 clean:
 	$(call QUIET_CLEAN, Documentation) $(RM) $(CLEAN_FILES)