Merge bitcoin-core/secp256k1#1173: Don't use compute credits for now

7e5b226 Don't use compute credits for now (Pieter Wuille)

Pull request description:

ACKs for top commit:
  real-or-random:
    ACK 7e5b226

Tree-SHA512: 5f37521dede4270151f4f1ed59e021f78e39b7e3362f4c16ecf2b7733dd1d49306466cc4e9b7837be10769c86799905fb1305cb35fe5cae0366a7f7861e6e9df

.cirrus.yml

@@ -27,9 +27,9 @@ env:
   EXAMPLES: yes
 
 # https://cirrus-ci.org/pricing/#compute-credits
-# Only use credits for pull requests to the main repo
 credits_snippet: &CREDITS
-  use_compute_credits: $CIRRUS_REPO_FULL_NAME == 'bitcoin-core/secp256k1' && $CIRRUS_PR != ""
+  # Don't use any credits for now.
+  use_compute_credits: false
 
 cat_logs_snippet: &CAT_LOGS
   always: