⚰️ remove support for US W9 & proof of address (#310) #16

Job	Run time
static_analysis / Run Static Analysis (3.11)	36s
test_units / Run Unit Tests (ubuntu-22.04, 3.10)	35s
test_units / Run Unit Tests (ubuntu-22.04, 3.7)	44s
test_units / Run Unit Tests (ubuntu-22.04, 3.8)	36s
test_units / Run Unit Tests (windows-2022, 3.10)	1m 1s
test_units / Run Unit Tests (ubuntu-22.04, 3.13)	36s
test_units / Run Unit Tests (windows-2022, 3.11)	1m 5s
test_units / Run Unit Tests (ubuntu-22.04, 3.11)	26s
test_units / Run Unit Tests (windows-2022, 3.9)	1m 6s
test_units / Run Unit Tests (windows-2022, 3.7)	1m 41s
test_units / Run Unit Tests (ubuntu-22.04, 3.12)	35s
test_units / Run Unit Tests (windows-2022, 3.8)	1m 2s
test_units / Run Unit Tests (ubuntu-22.04, 3.9)	30s
test_units / Run Unit Tests (windows-2022, 3.12)	1m 7s
test_units / Run Unit Tests (windows-2022, 3.13)	1m 3s
tag / tag-version	-1s
	12m 42s

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