Add bindings for `LogicalPlan::DropTable`

**Is your feature request related to a problem or challenge? Please describe what you are trying to do.**
Add the Python bindings for `LogicalPlan::DropTable` in the Python expr module

**Describe the solution you'd like**
New `drop_table.rs` Rust bindings file that resides in the Python expr module.

**Describe alternatives you've considered**
None

**Additional context**
None
