perf thread: Ditch __thread__find_symbol()

Simulate having all symbols in just one tree by searching the still
existing two trees.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-uss70e8tvzzbzs326330t83q@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h
index d6209c7..54aa24d 100644
--- a/tools/perf/util/thread.h
+++ b/tools/perf/util/thread.h
@@ -101,14 +101,8 @@ static inline struct map *thread__find_map(struct thread *thread, u8 cpumode,
 	return __thread__find_map(thread, cpumode, MAP__FUNCTION, addr, al);
 }
 
-struct symbol *__thread__find_symbol(struct thread *thread, u8 cpumode, enum map_type type,
-				     u64 addr, struct addr_location *al);
-
-static inline struct symbol *thread__find_symbol(struct thread *thread, u8 cpumode,
-						 u64 addr, struct addr_location *al)
-{
-	return __thread__find_symbol(thread, cpumode, MAP__FUNCTION, addr, al);
-}
+struct symbol *thread__find_symbol(struct thread *thread, u8 cpumode,
+				   u64 addr, struct addr_location *al);
 
 void thread__find_cpumode_addr_location(struct thread *thread, u64 addr,
 					struct addr_location *al);