[gnome-continuous] Revert "manifest: WebKitGTK+ 2.21.2"

[Emmanuele Bassi <ebassi src gnome org>]

commit 583b2e4cc0cdf144118d94984bb715db80bd930d
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Mon May 21 09:31:30 2018 +0100

    Revert "manifest: WebKitGTK+ 2.21.2"
    
    This reverts commit 51c764e70655740971c92ee026ac5169daf79606.
    
    We're still based on a version of Yocto that ships with GCC 5, and
    WebKitGTK needs GCC ≥ 6 in order to use C++17 features.

 manifest.json |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/manifest.json b/manifest.json
index 8245ce1..b977fc2 100644
--- a/manifest.json
+++ b/manifest.json
@@ -815,9 +815,9 @@
                  "tag-reason": "v1.0.2",
                  "patches": ["woff2-cmake-build-api.patch"]},
 
-               {"src": "tarball:https://www.webkitgtk.org/releases/webkitgtk-2.21.2.tar.xz";,
+               {"src": "tarball:https://www.webkitgtk.org/releases/webkitgtk-2.21.1.tar.xz";,
                 "name": "webkitgtk",
-                "checksum": "39eebeccc1d4de94a6750997ef52068308e31dc1de29a4537651df07d8067c9c",
+                "checksum": "988e29a78a094968bbec1ccffc8bea00af4048893c0db966046ad431b402ad50",
                 "patches": ["webkitgtk-cmake-buildapi.patch"]},
 
                {"src": "gnome:libgee",