chore: remove redundant words in comment

Signed-off-by: longxiangqiao <[email protected]>

src/vmm/src/devices/virtio/vsock/packet.rs

@@ -517,7 +517,7 @@ mod tests {
             ))
         }
 
-        // Test case: the buffer descriptor cannot fit all the data advertised by the the
+        // Test case: the buffer descriptor cannot fit all the data advertised by the
         // packet header `len` field.
         {
             create_context!(test_ctx, handler_ctx);

src/vmm/src/dumbo/tcp/connection.rs

@@ -815,7 +815,7 @@ impl Connection {
     /// * `mss_reserved` - How much (if anything) of the MSS value has been already used at the
     ///   lower layers (by IP options, for example). This will be zero most of the time.
     /// * `payload_src` - References a buffer which contains data to send, and also specifies the
-    ///   sequence number associated with the first byte from that that buffer.
+    ///   sequence number associated with the first byte from that buffer.
     /// * `now` - An opaque timestamp representing the current moment in time.
     ///
     /// [`MAX_WINDOW_SIZE`]: ../constant.MAX_WINDOW_SIZE.html