Remove outdated javadoc @throws annotations

pgpainless-core/src/main/java/org/pgpainless/key/modification/secretkeyring/SecretKeyRingEditorInterface.java

@@ -179,7 +179,6 @@ public interface SecretKeyRingEditorInterface {
      *
      * @throws PGPException in case we cannot generate a binding signature for the subkey
      * @throws IOException in case of an IO error
-     * @throws NoSuchAlgorithmException in case of missing algorithm support in the crypto backend
      */
     SecretKeyRingEditorInterface addSubKey(
             @Nonnull PGPKeyPair subkey,

pgpainless-core/src/main/java/org/pgpainless/signature/SignatureUtils.java

@@ -241,7 +241,6 @@ public final class SignatureUtils {
      * @param maxIterations number of loop iterations until reading is aborted
      * @return list of encountered signatures
      * @throws IOException in case of a stream error
-     * @throws PGPException in case of an OpenPGP error
      */
     public static List<PGPSignature> readSignatures(InputStream inputStream, int maxIterations) throws IOException {
         List<PGPSignature> signatures = new ArrayList<>();