netrender: show web interface button in all modes. use rna decorator all the time (no need for special operator decorator)

release/scripts/io/netrender/utils.py

@@ -61,10 +61,6 @@ def rnaType(rna_type):
 	if bpy: bpy.types.register(rna_type)
 	return rna_type
 
-def rnaOperator(rna_op):
-	if bpy: bpy.types.register(rna_op)
-	return rna_op
-
 def reporting(report, message, errorType = None):
     if errorType:
         t = 'ERROR'