[Dev] Fix illegal pass order

[LeiWang1999]

This pull request includes several updates and improvements across different files, mainly focusing on code cleanup, import adjustments, and minor refactoring. The most significant changes are in the examples/relax_end2end.py file, where redundant imports were removed, and code formatting was improved.

Code Cleanup and Import Adjustments:

• examples/relax_end2end.py: Removed redundant imports and adjusted the order of imports for better readability.
• bitblas/__init__.py: Added imports for ApplyDefaultSchedule and ApplyFastTuning from the relax module.

Code Formatting Improvements:

• examples/relax_end2end.py: Improved code formatting in the get_network function by combining similar conditional branches and adjusting the formatting of function calls. [1] [2] [3]
• examples/relax_end2end.py: Reformatted the apply_opt_before_tuning function for better readability. [1] [2]

Minor Refactoring:

• examples/relax_end2end.py: Replaced the loop variable i with _ in a loop where the variable is not used.

Submodule Update:

• 3rdparty/tvm: Updated the submodule commit to the latest version.