[beast: 2/5] PLUGINS: remove unused macro

[Tim Janik <timj src gnome org>]

commit df914d5bd0d4edb3c2e034c538c212f6530d1f03
Author: Tim Janik <timj gnu org>
Date:   Wed Oct 12 17:00:44 2016 +0200

    PLUGINS: remove unused macro
    
    Signed-off-by: Tim Janik <timj gnu org>

 plugins/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/plugins/Makefile.am b/plugins/Makefile.am
index e02155f..4654813 100644
--- a/plugins/Makefile.am
+++ b/plugins/Makefile.am
@@ -5,7 +5,7 @@ SUBDIRS = icons . freeverb # evaluator
 
 AM_CPPFLAGS += -I$(top_srcdir) -I.
 DEFS        += @DEFINE__FILE_DIR__@ -DG_LOG_DOMAIN="\"$(strip $(basename $(<F)))\""
-AM_CXXFLAGS += $(BSE_CFLAGS) $(RAPICORN_CFLAGS) -DRAPICORN_CONVENIENCE -D_BIRNET_SOURCE_EXTENSIONS
+AM_CXXFLAGS += $(BSE_CFLAGS) $(RAPICORN_CFLAGS) -DRAPICORN_CONVENIENCE
 
 # == IDL C++ Plugins ==
 idl_plugins = $(strip                  \