Remove code not used

[yabirgb]

is_list and is_tuple are trivial functions that are not even used in the eth_utils code like in

eth-utils/eth_utils/abi.py

Line 84 in cdede30

typing = tuple if isinstance(aligned_arg, tuple) else type(aligned_arg)

What was wrong?

I was reading the code to know how this library worked since I use it everyday and while reading it saw this two functions that are trivial and aren't being used.

Also would want to ask about is_bool and is_int. Both are trivial and saw that they are there since inception but I don't know if there is a reason. Every function call in python carries a cost and removing them would be great

How was it fixed?

Todo:

• Clean up commit history
• Add or update documentation related to these changes
• Add entry to the release notes

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