This reverts commit eb9c616c79.
Breaks the Firefox build and needs further investigation.
In file included from Unified_cpp_certverifier0.cpp:47:
/build/firefox-99.0/security/certverifier/OCSPVerificationTrustDomain.cpp:63:11: error: unknown type name 'SignedDigest'
const SignedDigest& aSignedDigest, Input aSubjectPublicKeyInfo) {
^
/build/firefox-99.0/security/certverifier/OCSPVerificationTrustDomain.cpp:74:11: error: unknown type name 'SignedDigest'
const SignedDigest& aSignedDigest, Input aSubjectPublicKeyInfo) {
^
https://github.com/NixOS/nixpkgs/pull/164511#issuecomment-1089496003