[gnome-common] build: Remove a non-existent file from EXTRA_DIST

[Philip Withnall <pwithnall src gnome org>]

commit efd34adf8b6d73f14c13fd87183983c576ea215c
Author: Philip Withnall <philip withnall collabora co uk>
Date:   Tue Aug 26 00:08:37 2014 +0100

    build: Remove a non-existent file from EXTRA_DIST
    
    https://bugzilla.gnome.org/show_bug.cgi?id=735418

 Makefile.am |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index 41d98d2..ddcbe9b 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -3,7 +3,6 @@ SUBDIRS = macros2 doc-build
 EXTRA_DIST = \
        autogen.sh \
        gnome-common.doap \
-       doc/usage.txt \
        ChangeLog.pre-git
 
 DISTCHECK_CONFIGURE_FLAGS = --disable-silent-rules