perf map: Remove unused functions

At some point those stopped being used, prune them.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-p2k98mj3ff2uk1z95sbl5r6e@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/map.c

@@ -568,6 +568,12 @@ void map_groups__insert(struct map_groups *mg, struct map *map)
 	up_write(&maps->lock);
 }
 
+static void __maps__remove(struct maps *maps, struct map *map)
+{
+	rb_erase_init(&map->rb_node, &maps->entries);
+	map__put(map);
+}
+
 void map_groups__remove(struct map_groups *mg, struct map *map)
 {
 	struct maps *maps = &mg->maps;
@@ -654,8 +660,8 @@ static bool map__contains_symbol(struct map *map, struct symbol *sym)
 	return ip >= map->start && ip < map->end;
 }
 
-struct symbol *maps__find_symbol_by_name(struct maps *maps, const char *name,
-					 struct map **mapp)
+static struct symbol *maps__find_symbol_by_name(struct maps *maps, const char *name,
+						struct map **mapp)
 {
 	struct symbol *sym;
 	struct map *pos;
@@ -890,26 +896,6 @@ static void __maps__insert(struct maps *maps, struct map *map)
 	map__get(map);
 }
 
-void maps__insert(struct maps *maps, struct map *map)
-{
-	down_write(&maps->lock);
-	__maps__insert(maps, map);
-	up_write(&maps->lock);
-}
-
-void __maps__remove(struct maps *maps, struct map *map)
-{
-	rb_erase_init(&map->rb_node, &maps->entries);
-	map__put(map);
-}
-
-void maps__remove(struct maps *maps, struct map *map)
-{
-	down_write(&maps->lock);
-	__maps__remove(maps, map);
-	up_write(&maps->lock);
-}
-
 struct map *maps__find(struct maps *maps, u64 ip)
 {
 	struct rb_node *p;

tools/perf/util/map_groups.h

@@ -19,9 +19,6 @@ struct maps {
 	struct rw_semaphore lock;
 };
 
-void maps__insert(struct maps *maps, struct map *map);
-void maps__remove(struct maps *maps, struct map *map);
-void __maps__remove(struct maps *maps, struct map *map);
 struct map *maps__find(struct maps *maps, u64 addr);
 struct map *maps__first(struct maps *maps);
 struct map *map__next(struct map *map);
@@ -32,8 +29,6 @@ struct map *map__next(struct map *map);
 #define maps__for_each_entry_safe(maps, map, next) \
 	for (map = maps__first(maps), next = map__next(map); map; map = next, next = map__next(map))
 
-struct symbol *maps__find_symbol_by_name(struct maps *maps, const char *name, struct map **mapp);
-
 struct map_groups {
 	struct maps	 maps;
 	struct machine	 *machine;