Auto merge of #8999 - servo:rm-css2-props-py, r=Ms2ger

Delete GenerateCSS2PropertiesWebIDL.py

Fixes #8998.

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components/script/dom/bindings/codegen/GenerateCSS2PropertiesWebIDL.py

@@ -1,25 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-import sys
-import string
-
-propList = eval(sys.stdin.read())
-props = ""
-for [prop, pref] in propList:
-    extendedAttrs = ["Throws", "TreatNullAs=EmptyString"]
-    if pref != "":
-        extendedAttrs.append("Pref=%s" % pref)
-    if not prop.startswith("Moz"):
-        prop = prop[0].lower() + prop[1:]
-    # Unfortunately, even some of the getters here are fallible
-    # (e.g. on nsComputedDOMStyle).
-    props += "  [%s] attribute DOMString %s;\n" % (", ".join(extendedAttrs),
-                                                   prop)
-
-with open(sys.argv[1], "r") as idlFile:
-    idlTemplate = idlFile.read()
-
-print ("/* THIS IS AN AUTOGENERATED FILE.  DO NOT EDIT */\n\n" +
-       string.Template(idlTemplate).substitute({"props": props}))