* Expose save_file_remove_star_flags
* new packet
added a new packet type and two new functions
* oops
* create packet_save_remove_flag.c
move the new network functions to a new file
* Switch u32 to u8
Switched courseStarsToRemove from u32
to u8 for consistency
* fixed the function
-Fixed empty save file marked as existing
-Fixed SAVE_FILE_EXISTS flag being deleted
-Fixed removing ALL flags from the remote saves