erase objc method names

macho-go/proto/macho_info.proto

@@ -44,11 +44,15 @@ message MachoInfo {
     repeated LibraryImportedSymbols tables = 3;
   }
 
+  message Selector {
+    uint32 idx = 1;
+    string name = 2;
+  }
+
   PointerSize pointer_size = 1;
   uint64 image_base = 2;
   uint64 main = 3;
   repeated InitPointer init_pointers = 4;
-  // repeated BindSymbol symbols = 5;
   AllImportedSymbols symbols = 5;
-
+  repeated Selector special_selectors = 6;
 }