Restore original bindings
To remove binding overrides and restore defaults, use RemoveBindingOverride or RemoveAllBindingOverrides.
// Remove binding overrides from the first binding of the "fire" action.
playerInput.actions["fire"].RemoveBindingOverride(0);
// Remove all binding overrides from the "fire" action.
playerInput.actions["fire"].RemoveAllBindingOverrides();
// Remove all binding overrides from a player's actions.
playerInput.actions.RemoveAllBindingOverrides();