USDLight : Remove redundant Cycles visibility

Author: ericmehl

startup/gui/usd.py

@@ -67,7 +67,3 @@
 	"spread", "map_resolution", "max_bounces"
 ] ) :
 	Gaffer.Metadata.registerValue( GafferUSD.USDLight, f"parameters.cycles:{parameter}", "layout:index", 2000 + i )
-
-# Only show the Cycles parameters if Cycles exists and not hidden
-Gaffer.Metadata.registerValue( GafferUSD.USDLight, "parameters", "layout:activator:cyclesUIEnabled", lambda x : os.environ.get( "CYCLES_ROOT" ) and os.environ.get( "GAFFERCYCLES_HIDE_UI", "" ) != "1" )
-Gaffer.Metadata.registerValue( GafferUSD.USDLight, "parameters.cycles:*", "layout:visibilityActivator", "cyclesUIEnabled" )