Merge bitcoin-core/secp256k1#1193: Add noverify_tests to .gitignore

d4a6b58 Add `noverify_tests` to `.gitignore` (Hennadii Stepanov)

Pull request description:

  This is a follow up of bitcoin#1188.

ACKs for top commit:
  sipa:
    ACK d4a6b58
  real-or-random:
    utACK d4a6b58

Tree-SHA512: a249c949d4b1432c6a5ff05a49f51a1f605f026ce6faa01bebee12a49d1ad2e38a344c35d2a21b827ceb40190448306262af7ca9a4385ebd96115d18ace42856

Author: real-or-random

.gitignore

@@ -1,6 +1,7 @@
 bench
 bench_ecmult
 bench_internal
+noverify_tests
 tests
 exhaustive_tests
 precompute_ecmult_gen