Bug 1817315 - Make toolkit/components/printingui buildable outside of a...

Bug 1817315 - Make toolkit/components/printingui buildable outside of a unified build environment r=andi

Depends on D170121

Differential Revision: https://phabricator.services.mozilla.com/D170122

toolkit/components/printingui/ipc/moz.build

@@ -11,5 +11,3 @@ IPDL_SOURCES += [
 include("/ipc/chromium/chromium-config.mozbuild")
 
 FINAL_LIBRARY = "xul"
-
-REQUIRES_UNIFIED_BUILD = True