ContentMessage remove auto padding

ts/session/messages/outgoing/content/ContentMessage.ts

@@ -11,9 +11,7 @@ export abstract class ContentMessage implements Message {
   }
 
   public plainTextBuffer(): Uint8Array {
-    const encoded = SignalService.Content.encode(this.contentProto()).finish();
-
-    return this.processPlainTextBuffer(encoded);
+    return SignalService.Content.encode(this.contentProto()).finish();
   }
 
   public abstract ttl(): number;
@@ -28,26 +26,4 @@ export abstract class ContentMessage implements Message {
     return (window.getMessageTTL() || 24) * 60 * 60 * 1000;
 
   }
-
-  private processPlainTextBuffer(buffer: Uint8Array): Uint8Array {
-    const paddedMessageLength = this.getPaddedMessageLength(
-      buffer.byteLength + 1
-    );
-    const plainText = new Uint8Array(paddedMessageLength - 1);
-    plainText.set(new Uint8Array(buffer));
-    plainText[buffer.byteLength] = 0x80;
-
-    return plainText;
-  }
-
-  private getPaddedMessageLength(length: number): number {
-    const messageLengthWithTerminator = length + 1;
-    let messagePartCount = Math.floor(messageLengthWithTerminator / 160);
-
-    if (messageLengthWithTerminator % 160 !== 0) {
-      messagePartCount += 1;
-    }
-
-    return messagePartCount * 160;
-  }
 }