[move] Delete `CompiledScriptMut`
[move] Delete `CompiledScriptMut`

All references to `CompiledScriptMut` have been removed, so delete the
definition altogether.

aptos-labs/aptos-core,libra/libra,libra/libra,libra/libra,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,libra/libra,libra/libra,aptos-labs/aptos-core,aptos-labs/aptos-core