Remove advanced preferences, move compression as menu item in encrypt activites, select hash and encryption algo based on hardcoded preferred lists

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/ProviderHelper.java

@@ -1372,8 +1372,7 @@ public class ProviderHelper {
         UncachedKeyRing keyRing = UncachedKeyRing.decodeFromData(data);
 
         ByteArrayOutputStream bos = new ByteArrayOutputStream();
-        String version = PgpHelper.getVersionForHeader(mContext);
-        keyRing.encodeArmored(bos, version);
+        keyRing.encodeArmored(bos, null);
         String armoredKey = bos.toString("UTF-8");
 
         Log.d(Constants.TAG, "armoredKey:" + armoredKey);