remove unused EncryptedSmsCharacterCalculator

Closes #3000

//FREEBIE

src/org/thoughtcrime/securesms/TransportOption.java

@@ -2,9 +2,6 @@ package org.thoughtcrime.securesms;
 
 import org.thoughtcrime.securesms.util.CharacterCalculator;
 import org.thoughtcrime.securesms.util.CharacterCalculator.CharacterState;
-import org.thoughtcrime.securesms.util.EncryptedSmsCharacterCalculator;
-import org.thoughtcrime.securesms.util.PushCharacterCalculator;
-import org.thoughtcrime.securesms.util.SmsCharacterCalculator;
 
 public class TransportOption {
 

src/org/thoughtcrime/securesms/util/EncryptedSmsCharacterCalculator.java

@@ -1,50 +0,0 @@
-/**
- * Copyright (C) 2011 Whisper Systems
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-package org.thoughtcrime.securesms.util;
-
-import org.thoughtcrime.securesms.sms.SmsTransportDetails;
-
-public class EncryptedSmsCharacterCalculator extends CharacterCalculator {
-
-  private CharacterState calculateSingleRecordCharacters(int charactersSpent) {
-    int charactersRemaining = SmsTransportDetails.ENCRYPTED_SINGLE_MESSAGE_BODY_MAX_SIZE - charactersSpent;
-
-    return new CharacterState(1, charactersRemaining, SmsTransportDetails.ENCRYPTED_SINGLE_MESSAGE_BODY_MAX_SIZE);
-  }
-
-  private CharacterState calculateMultiRecordCharacters(int charactersSpent) {
-    int charactersInFirstRecord = SmsTransportDetails.ENCRYPTED_SINGLE_MESSAGE_BODY_MAX_SIZE;
-    int spillover               = charactersSpent - charactersInFirstRecord;
-    int spilloverMessagesSpent  = spillover / SmsTransportDetails.MULTI_MESSAGE_MAX_BYTES;
-
-    if ((spillover % SmsTransportDetails.MULTI_MESSAGE_MAX_BYTES) > 0)
-      spilloverMessagesSpent++;
-
-    int charactersRemaining = (SmsTransportDetails.MULTI_MESSAGE_MAX_BYTES * spilloverMessagesSpent) - spillover;
-
-    return new CharacterState(spilloverMessagesSpent+1, charactersRemaining, SmsTransportDetails.MULTI_MESSAGE_MAX_BYTES);
-  }
-
-  @Override
-  public CharacterState calculateCharacters(int charactersSpent) {
-    if (charactersSpent <= SmsTransportDetails.ENCRYPTED_SINGLE_MESSAGE_BODY_MAX_SIZE) {
-      return calculateSingleRecordCharacters(charactersSpent);
-    } else {
-      return calculateMultiRecordCharacters(charactersSpent);
-    }
-  }
-}