[grilo-plugins] remove option: --enable-apple-trailers

[Victor Toso de Carvalho <victortoso src gnome org>]

commit 00fd2bec84b506b22847805df85ee6a617f7ca8c
Author: Victor Toso <me victortoso com>
Date:   Wed Feb 24 22:52:17 2016 +0100

    remove option: --enable-apple-trailers
    
    Since 8e3135b41f73e0 the C plugin does not exist anymore.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=732879

 Makefile.am |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index b7ce06e..a1fbe27 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -22,8 +22,7 @@ MAINTAINERCLEANFILES = \
 # Make sure that the documentation generation is enabled
 # when creating tarball releases,
 # and make sure that we enable all plugins needed by the documentation.
-DISTCHECK_CONFIGURE_FLAGS = --enable-apple-trailers \
-                            --enable-bookmarks \
+DISTCHECK_CONFIGURE_FLAGS = --enable-bookmarks \
                             --enable-dleyna \
                             --enable-dmap \
                             --enable-filesystem \