Finish ssbusync integration.

[BlankMauser]

Symbaker no longer needed. Used a custom macro from https://github.com/BlankMauser/smash-ultelier/blob/master/crates/ultelier-macros/src/lib.rs instead to avoid symbol conflicts.

Buffer mode is chosen at CSS based on player count. See player_port.rs for implementation.

Use install_menu_hooks() instead of install_auto_profile_switcher() to run without custom overclocker:

    //*Install only menu hooks to run without custom overclocker.
    //sync::runtime::install_menu_hooks();
    
    sync::runtime::install_auto_profile_switcher();

This does not include modified vfx assets.

[github-actions]

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