deleted old prefabs
Revert 4137c29..4cbdce7

This rolls back to commit 4137c297b0eec62b4a1d7274a5e70d68eaafdae8.
Revert 778da55..885945c

This rolls back to commit 778da5505c2a9b735f9f5e71dfdd2cc829737854.
Revert 4cbdce7..6f92ea9

This rolls back to commit 4cbdce7c13e6ef17233a5761f683684886d2730f.
fixed the sound when walking