[notification-daemon] build: remove ACLOCAL_AMFLAGS from Makefile.am

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 3ed223f7f1d902a4577b77974923573e0f34c69c
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Wed Sep 16 01:40:16 2015 +0300

    build: remove ACLOCAL_AMFLAGS from Makefile.am
    
    https://wiki.gnome.org/Projects/GnomeCommon/Migration

 Makefile.am |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index 2dd8a4a..7e374d9 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -6,8 +6,6 @@ SUBDIRS = \
        po \
        $(NULL)
 
-ACLOCAL_AMFLAGS = --install -I m4 ${ACLOCAL_FLAGS}
-
 EXTRA_DIST = \
        AUTHORS \
        NEWS \