[epiphany] Revert "Try reenabling MP4 playback in Tech Preview"

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 6cdad9bc86673328382d1fede23e0a73db34b08c
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Tue Sep 10 08:36:15 2019 -0500

    Revert "Try reenabling MP4 playback in Tech Preview"
    
    This reverts commit 6efe57ae505ad08b22728a97859658a4ea1db471.
    
    We will not support HTML5 video for the time being.

 org.gnome.Epiphany.json | 7 -------
 1 file changed, 7 deletions(-)
---
diff --git a/org.gnome.Epiphany.json b/org.gnome.Epiphany.json
index 0d830ac2a..509f6a948 100644
--- a/org.gnome.Epiphany.json
+++ b/org.gnome.Epiphany.json
@@ -3,13 +3,6 @@
     "runtime" : "org.gnome.Platform",
     "runtime-version" : "master",
     "sdk" : "org.gnome.Sdk",
-    "add-extensions": {
-      "org.freedesktop.Platform.ffmpeg-full": {
-        "directory": "lib/ffmpeg",
-        "version": "19.08beta",
-        "add-ld-path": "."
-      }
-    },
     "command" : "epiphany",
     "tags" : [
         "nightly"