Bug 1509173 [wpt PR 14170] - Update wpt metadata, a=testonly

wpt-pr: 14170
wpt-type: metadata

testing/web-platform/meta/webrtc/RTCDTMFSender-insertDTMF.https.html.ini

@@ -1,4 +0,0 @@
-[RTCDTMFSender-insertDTMF.https.html]
-  [insertDTMF() should throw InvalidStateError if transceiver.currentDirection is recvonly]
-    expected: FAIL
-

testing/web-platform/meta/webrtc/RTCPeerConnection-removeTrack.https.html.ini

@@ -1,7 +0,0 @@
-[RTCPeerConnection-removeTrack.https.html]
-  [Calling removeTrack with currentDirection sendrecv should set direction to recvonly]
-    expected: FAIL
-
-  [Calling removeTrack with currentDirection recvonly should not change direction]
-    expected: FAIL
-

testing/web-platform/meta/webrtc/RTCPeerConnection-setRemoteDescription-tracks.https.html.ini

@@ -15,12 +15,6 @@
   [addTrack() with a track and a stream makes ontrack fire with a track and a stream.]
     expected: FAIL
 
-  [ontrack's receiver matches getReceivers().]
-    expected: FAIL
-
-  [removeTrack() does not remove the receiver.]
-    expected: FAIL
-
   [removeTrack() causes onremovetrack and the track to be removed from the stream.]
     expected: TIMEOUT