Revert "[ms-go1.23-support] Support serializing SymCrypt hash objects" (#282)

* Revert "[ms-go1.23-support] Support serializing SymCrypt hash objects (#281)"

This reverts commit 9b2e967.

* don't backport CI changes

Author: qmuntal

.github/workflows/test.yml

@@ -81,4 +81,4 @@ jobs:
     - name: Run Test
       run: go test -gcflags=all=-d=checkptr -count 10 -v ./...
       env:
-        GO_OPENSSL_VERSION_OVERRIDE: ${{ matrix.openssl-version }}
+        GO_OPENSSL_VERSION_OVERRIDE: ${{ matrix.openssl-version }}