[epiphany] Enable deprecation warnings

[Michael Catanzaro <mcatanzaro src gnome org>]

commit bd058ee9c8cba1e1de6e14d5e81249e2f97db28d
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sat Oct 8 15:26:25 2016 -0500

    Enable deprecation warnings
    
    Let's fix these

 configure.ac |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index d3ff6f9..35ce42c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -44,9 +44,7 @@ AC_CONFIG_SRCDIR([configure.ac])
 
 AX_CHECK_ENABLE_DEBUG([yes])
 AX_CODE_COVERAGE
-AX_COMPILER_FLAGS([WARN_CFLAGS], [WARN_LDFLAGS], [$ax_is_release], [],
-       dnl TODO: Remove! These warnings should be fixed, not silenced.
-       [-Wno-deprecated-declarations])
+AX_COMPILER_FLAGS
 
 AX_GENERATE_CHANGELOG
 AC_SUBST([EPIPHANY_CHANGELOG_START],[epiphany_changelog_start])