Remove rtc prefix from filenames

Relates to #408

rtpcodingparameters.go

@@ -0,0 +1,9 @@
+package webrtc
+
+// RTPCodingParameters provides information relating to both encoding and decoding.
+// This is a subset of the RFC since Pion WebRTC doesn't implement encoding/decoding itself
+// http://draft.ortc.org/#dom-rtcrtpcodingparameters
+type RTPCodingParameters struct {
+	SSRC        uint32 `json:"ssrc"`
+	PayloadType uint8  `json:"payloadType"`
+}