Remove other/finding_primes.py

[obelisk0114]

other/finding_primes.py and maths/sieve_of_eratosthenes.py are the same. Both of them implemented sieve of Eratosthenes. However, the latter's time complexity is better.

If it is accepted, #1026 can be closed.

[cclauss]

@brunohadlich @LizardWizzard Are you in agreement?

@obelisk0114 if you change:

If it is accepted, #1026 can be closed.

To "fixes #1026" then GitHub will autoclose 1026 when this PR lands.

[brunohadlich]

I agree.

[LizardWizzard]

I agree.

[cclauss]

@obelisk0114 Looks like everyone is in agreement.