Remove redundant OpenJCEPlusProvider.verifySelfIntegrity code

[farshadasl]

The redundant OpenJCEPlusProvider.verifySelfIntegrity code should be removed as it always returns true.

Examples:

OpenJCEPlus/src/main/java/com/ibm/crypto/plus/provider/MLKEMImpl.java

Line 192 in 8ce8deb

if (!OpenJCEPlusProvider.verifySelfIntegrity(this)) {

FYI @jasonkatonica