lib/nbt: remove now useless comment

src/lib/file.hpp

@@ -54,11 +54,6 @@ class File {
         // moves the cursor to the right of the read section
         ErrorOr<uint8_t> readByte();
         ErrorOr<std::vector<uint8_t>> read(uint64_t bytes);
-        // @SodaFountain (or whoever ends up implementing this):
-        // Tiny-UTF8 uses UTF-32 internally IIRC.
-        // There is a constructor for it that takes std::string and
-        // converts it to the internal format.
-        //TODO: remove this comment when it served its purpose
         ErrorOr<tiny_utf8::string> readString(uint64_t bytes);
 
         // only applicable to write, modify, append, and edit modes