Merge #10154: init: Remove redundant logging code

Summary:
faafa80 init: Remove redundant logging code (MarcoFalke)

Tree-SHA512: 5ad0e9aba0e25a36025dd4ee5e5fddd2c0039f95bafd0f33300ea59e2f9bba807da6a1a8b4311d6aad5a360b99163edf4a4f161cb13f0f38580d8d6b504c94ad

Partial backport of Core PR10154
https://github.com/bitcoin/bitcoin/pull/10154/files
The other change is already backported.

Test Plan:
make check
bitcoind --help # does not show nodebug

Reviewers: deadalnix, Fabien, #bitcoin_abc, markblundeberg

Reviewed By: #bitcoin_abc, markblundeberg

Subscribers: markblundeberg

Differential Revision: https://reviews.bitcoinabc.org/D3001