[evolution] EComposerPrivate - Remove an unneeded define

[Tomas Popela <tpopela src gnome org>]

commit 82356cbc58d855be130f9a10e195a52a7ac080a9
Author: Tomas Popela <tpopela redhat com>
Date:   Wed Feb 3 09:33:05 2016 +0100

    EComposerPrivate - Remove an unneeded define

 composer/e-composer-private.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/composer/e-composer-private.c b/composer/e-composer-private.c
index 9be3186..d4e797e 100644
--- a/composer/e-composer-private.c
+++ b/composer/e-composer-private.c
@@ -28,8 +28,6 @@
 /* Initial height of the picture gallery. */
 #define GALLERY_INITIAL_HEIGHT 150
 
-#define UNICODE_ZERO_WIDTH_SPACE "\xe2\x80\x8b"
-
 static void
 composer_setup_charset_menu (EMsgComposer *composer)
 {