hash: remove redundant secp256k1_sha256_initialize in tagged hash midstate functions#1825

real-or-random merged 1 commit intobitcoin-core:masterbitcoin-core/secp256k1:masterfrom

w0xlt:fix-redundant-sha256-initializew0xlt/secp256k1:fix-redundant-sha256-initializeCopy head branch name to clipboard