Remove check-source-control-tools from check and check-all targets

Summary:
It bugguy, it depends on machine state and setup, it doesn't test the software and it bloats output.

This should never have been part of the test suite to begin with and the past 2 days have made it very clear.

Test Plan:

ninja check

Reviewers: #bitcoin_abc, Fabien

Reviewed By: #bitcoin_abc, Fabien

Differential Revision: https://reviews.bitcoinabc.org/D4644