[polari] build: Remove gio from pkg-config modules

[Florian Müllner <fmuellner src gnome org>]

commit e0a014a7b625fba0aa1020b1a93e838df392ab85
Author: Florian Müllner <fmuellner gnome org>
Date:   Fri Oct 28 00:14:14 2016 +0200

    build: Remove gio from pkg-config modules
    
    The gtk+-3.0 requirement already pulls in a newer gio-2.0 version
    than the one we were asking for, so our build-time dependencies
    are already satisfied without the explicit check.

 configure.ac |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 727daef..edadaf9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -33,7 +33,6 @@ LT_INIT([disable-static])
 GLIB_GSETTINGS
 
 PKG_CHECK_MODULES(LIBPOLARI,
-                  gio-2.0 >= 2.43.4
                   gtk+-3.0 >= 3.21.6
                   telepathy-glib);
 PKG_CHECK_MODULES(POLARI,