Revert of Add content type information to encoded images and corresponding rtp extension header

webrtc/test/fuzzers/rtp_packet_fuzzer.cc

Index: webrtc/test/fuzzers/rtp_packet_fuzzer.cc
diff --git a/webrtc/test/fuzzers/rtp_packet_fuzzer.cc b/webrtc/test/fuzzers/rtp_packet_fuzzer.cc
index 7cf65cf655b1ab8a93b7ce5ebaa9eedceef46db9..613f125e33da0a25e3a4af9e2ae69b1280ac7aea 100644
--- a/webrtc/test/fuzzers/rtp_packet_fuzzer.cc
+++ b/webrtc/test/fuzzers/rtp_packet_fuzzer.cc
@@ -85,10 +85,6 @@
         PlayoutDelay playout;
         packet.GetExtension<PlayoutDelayLimits>(&playout);
         break;
-      case kRtpExtensionVideoContentType:
-        VideoContentType content_type;
-        packet.GetExtension<VideoContentTypeExtension>(&content_type);
-        break;
     }
   }
 }