Move ByteIterator to collect everything in one package

buffer/src/main/java/io/netty/buffer/b2/Buf.java

@@ -15,8 +15,6 @@
  */
 package io.netty.buffer.b2;
 
-import io.netty.util.ByteIterator;
-
 import java.nio.ByteBuffer;
 import java.nio.ByteOrder;
 

buffer/src/main/java/io/netty/buffer/b2/ByteIterator.java

@@ -12,7 +12,9 @@
  * or implied. See the License for the specific language governing permissions and limitations under
  * the License.
  */
-package io.netty.util;
+package io.netty.buffer.b2;
+
+import io.netty.util.ByteProcessor;
 
 /**
  * The ByteIterator scans through a sequence of bytes.

buffer/src/main/java/io/netty/buffer/b2/CompositeBuf.java

@@ -15,8 +15,6 @@
  */
 package io.netty.buffer.b2;
 
-import io.netty.util.ByteIterator;
-
 import java.nio.ByteBuffer;
 import java.nio.ByteOrder;
 import java.util.Arrays;

buffer/src/main/java/io/netty/buffer/b2/MemSegBuf.java

@@ -15,7 +15,6 @@
  */
 package io.netty.buffer.b2;
 
-import io.netty.util.ByteIterator;
 import jdk.incubator.foreign.MemorySegment;
 
 import java.nio.ByteBuffer;