Also remove from the makefile

toolkit/components/downloads/src/Makefile.in

@@ -55,8 +55,6 @@ CPPSRCS   = \
     nsDownloadManager.cpp \
     $(NULL)
 
-EXTRA_COMPONENTS = nsDownloadProgressListener.js
-
 # we don't want the shared lib, but we want to force the creation of a
 # static lib.
 FORCE_STATIC_LIB = 1