Remove unused include paths for datetime and finger now that they have moved to extensions.

netwerk/build2/Makefile.in

@@ -48,8 +48,6 @@ SHARED_LIBRARY_LIBS = \
 LOCAL_INCLUDES	= \
 		-I$(srcdir)/../protocol/gopher/src \
 		-I$(srcdir)/../protocol/ftp/src \
-		-I$(srcdir)/../protocol/finger/src \
-		-I$(srcdir)/../protocol/datetime/src \
 		-I$(srcdir)/../protocol/viewsource/src \
 		$(NULL)