Remove unused provideSessionKeyDataDecryptorFactory() methods

pgpainless-core/src/main/java/org/pgpainless/implementation/BcImplementationFactory.java

@@ -148,11 +148,6 @@ public class BcImplementationFactory extends ImplementationFactory {
                 .build(passphrase.getChars());
     }
 
-    @Override
-    public SessionKeyDataDecryptorFactory provideSessionKeyDataDecryptorFactory(PGPSessionKey sessionKey) {
-        return new BcSessionKeyDataDecryptorFactory(sessionKey);
-    }
-
     @Override
     public PGPObjectFactory getPGPObjectFactory(byte[] bytes) {
         return new BcPGPObjectFactory(bytes);

pgpainless-core/src/main/java/org/pgpainless/implementation/ImplementationFactory.java

@@ -118,8 +118,6 @@ public abstract class ImplementationFactory {
                                                                    HashAlgorithm hashAlgorithm, int s2kCount,
                                                                    Passphrase passphrase) throws PGPException;
 
-    public abstract SessionKeyDataDecryptorFactory provideSessionKeyDataDecryptorFactory(PGPSessionKey sessionKey);
-
     public abstract PGPObjectFactory getPGPObjectFactory(InputStream inputStream);
 
     public abstract PGPObjectFactory getPGPObjectFactory(byte[] bytes);

pgpainless-core/src/main/java/org/pgpainless/implementation/JceImplementationFactory.java

@@ -137,11 +137,6 @@ public class JceImplementationFactory extends ImplementationFactory {
                 .build(passphrase.getChars());
     }
 
-    @Override
-    public SessionKeyDataDecryptorFactory provideSessionKeyDataDecryptorFactory(PGPSessionKey sessionKey) {
-        return new JceSessionKeyDataDecryptorFactoryBuilder().build(sessionKey);
-    }
-
     @Override
     public PGPObjectFactory getPGPObjectFactory(InputStream inputStream) {
         return new JcaPGPObjectFactory(inputStream);