Revert "Use Rec 2020 colorspace for WCG support even if HDR is off on the host"

Rec 2020 conversion causes colors to be blown out in SDR

This reverts commit 6c85f5f8c3.

app/src/main/java/com/limelight/nvstream/NvConnection.java

@@ -320,7 +320,7 @@ public class NvConnection {
                             context.streamConfig.getEncryptionFlags(),
                             context.riKey.getEncoded(), ib.array(),
                             context.videoCapabilities,
-                            context.negotiatedHdr ? MoonBridge.COLORSPACE_REC_2020 : context.streamConfig.getColorSpace(),
+                            context.streamConfig.getColorSpace(),
                             context.streamConfig.getColorRange());
                     if (ret != 0) {
                         // LiStartConnection() failed, so the caller is not expected