Remove unused ByteBufDeframer.

It was previously replaced by the new deframer.
-------------
Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=73750795

core/src/main/java/com/google/net/stubby/newtransport/netty/ByteBufDeframer.java

@@ -1,75 +0,0 @@
-package com.google.net.stubby.newtransport.netty;
-
-import com.google.net.stubby.newtransport.Deframer;
-import com.google.net.stubby.newtransport.GrpcMessageListener;
-import com.google.net.stubby.newtransport.TransportFrameUtil;
-
-import io.netty.buffer.ByteBuf;
-import io.netty.buffer.ByteBufAllocator;
-import io.netty.buffer.ByteBufInputStream;
-import io.netty.buffer.CompositeByteBuf;
-import io.netty.buffer.UnpooledByteBufAllocator;
-
-import java.io.DataInputStream;
-import java.io.IOException;
-import java.nio.ByteOrder;
-
-/**
- * Parse a sequence of {@link ByteBuf} instances that represent the frames of a GRPC call
- */
-public class ByteBufDeframer extends Deframer<ByteBuf> {
-
-  private final CompositeByteBuf buffer;
-
-  public ByteBufDeframer(GrpcMessageListener target) {
-    this(UnpooledByteBufAllocator.DEFAULT, target);
-  }
-
-  public ByteBufDeframer(ByteBufAllocator alloc, GrpcMessageListener target) {
-    super(target);
-    buffer = alloc.compositeBuffer();
-  }
-
-  public void dispose() {
-    // Remove the components from the composite buffer. This should set the reference
-    // count on all buffers to zero.
-    buffer.removeComponents(0, buffer.numComponents());
-
-    // Release the composite buffer
-    buffer.release();
-  }
-
-  @Override
-  protected DataInputStream prefix(ByteBuf frame) throws IOException {
-    buffer.addComponent(frame);
-    buffer.writerIndex(buffer.writerIndex() + frame.writerIndex() - frame.readerIndex());
-    return new DataInputStream(new ByteBufInputStream(buffer));
-  }
-
-  @Override
-  protected int consolidate() {
-    buffer.consolidate();
-    return buffer.readableBytes();
-  }
-
-  @Override
-  protected ByteBuf decompress(ByteBuf frame) throws IOException {
-    if (frame.readableBytes() == 0) {
-      frame.retain();
-      return frame;
-    }
-    frame = frame.order(ByteOrder.BIG_ENDIAN);
-    int compressionType = frame.readUnsignedByte();
-    int frameLength = frame.readUnsignedMedium();
-    if (frameLength != frame.readableBytes()) {
-      throw new IllegalArgumentException("GRPC and buffer lengths misaligned. Frame length="
-          + frameLength + ", readableBytes=" + frame.readableBytes());
-    }
-    if (TransportFrameUtil.isNotCompressed(compressionType)) {
-      // Need to retain the frame as we may be holding it over channel events
-      frame.retain();
-      return frame;
-    }
-    throw new IOException("Unknown compression type " + compressionType);
-  }
-}