message: remove four duplicate tests from script_tests.json
  Summary:
  These are identical to the preceding four test cases.
  For the curious: they were introduced like this in 2014 by Peter Todd:
  Test Plan: `make check`
  Reviewers: jasonbcox, Fabien, #bitcoin_abc, deadalnix
diff: ["", "0 0 0 1 CHECKMULTISIG VERIFY DEPTH 0 EQUAL", "P2SH,STRICTENC", "OK", "Zero sigs means no sigs are checked"],
  ["", "0 0 0 1 CHECKMULTISIGVERIFY DEPTH 0 EQUAL", "P2SH,STRICTENC", "OK"],
  -["", "0 0 0 CHECKMULTISIG VERIFY DEPTH 0 EQUAL", "P2SH,STRICTENC", "OK", "CHECKMULTISIG is allowed to have zero keys and/or sigs"],
  -["", "0 0 0 CHECKMULTISIGVERIFY DEPTH 0 EQUAL", "P2SH,STRICTENC", "OK"],
  -["", "0 0 0 1 CHECKMULTISIG VERIFY DEPTH 0 EQUAL", "P2SH,STRICTENC", "OK", "Zero sigs means no sigs are checked"],
  -["", "0 0 0 1 CHECKMULTISIGVERIFY DEPTH 0 EQUAL", "P2SH,STRICTENC", "OK"],
  -
  ["", "0 0 'a' 'b' 2 CHECKMULTISIG VERIFY DEPTH 0 EQUAL", "P2SH,STRICTENC", "OK", "Test from up to 20 pubkeys, all not checked"],
  ["", "0 0 'a' 'b' 'c' 3 CHECKMULTISIG VERIFY DEPTH 0 EQUAL", "P2SH,STRICTENC", "OK"],
  ["", "0 0 'a' 'b' 'c' 'd' 4 CHECKMULTISIG VERIFY DEPTH 0 EQUAL", "P2SH,STRICTENC", "OK"],
  