message: Remove SATOSHI constant from sigcache_tests.cpp
  Such constant is never defined in our code base. After a quick check
  it seems like we got in our code by porting schnorr musig to BU from
  ABC.
diff: @@ -84,7 +84,7 @@ BOOST_AUTO_TEST_CASE(sig_pubkey_hash_variations) {
  SER_NETWORK, PROTOCOL_VERSION);
  CTransaction dummyTx(deserialize, stream);
  PrecomputedTransactionData txdata(dummyTx);
  - CachingTransactionSignatureChecker checker(&dummyTx, 0, 0 * SATOSHI, true,
  + CachingTransactionSignatureChecker checker(&dummyTx, 0, 0, true,
  txdata);
  TestCachingTransactionSignatureChecker testChecker(checker);
  @@ -155,7 +155,7 @@ BOOST_AUTO_TEST_CASE(flag_invariants) {
  SER_NETWORK, PROTOCOL_VERSION);
  CTransaction dummyTx(deserialize, stream);
  PrecomputedTransactionData txdata(dummyTx);
  - CachingTransactionSignatureChecker checker(&dummyTx, 0, 0 * SATOSHI, true,
  + CachingTransactionSignatureChecker checker(&dummyTx, 0, 0, true,
  txdata);
  TestCachingTransactionSignatureChecker testChecker(checker);
  