[evolution] main.c: Remove possibly obsolete WebKit tweaks

[Milan Crha <mcrha src gnome org>]

commit 12453d8744fc1a4f60c171b814aee98ffd47325c
Author: Milan Crha <mcrha redhat com>
Date:   Thu Nov 12 09:49:12 2020 +0100

    main.c: Remove possibly obsolete WebKit tweaks
    
    Discussed at https://gitlab.gnome.org/GNOME/evolution/-/issues/1221

 src/shell/main.c | 13 -------------
 1 file changed, 13 deletions(-)
---
diff --git a/src/shell/main.c b/src/shell/main.c
index 5d089225ca..2f797ca9ca 100644
--- a/src/shell/main.c
+++ b/src/shell/main.c
@@ -617,19 +617,6 @@ main (gint argc,
        g_object_unref (settings);
 #endif
 
-       if (!quit) {
-               /* Until there will be a proper WebKitGTK+ API for disabling the
-                * accelerated compositing mode, we need to use the environment
-                * variable. See https://bugzilla.gnome.org/show_bug.cgi?id=774067
-                * Also do not overwrite the variable in case the user has
-                * it already set, thus he/she can override the Evolution's default. */
-               g_setenv ("WEBKIT_DISABLE_COMPOSITING_MODE", "1", FALSE);
-
-               /* FIXME WK2 - Look if we still need this it looks like it's not. */
-               /* Workaround https://bugzilla.gnome.org/show_bug.cgi?id=683548 */
-               g_type_ensure (WEBKIT_TYPE_WEB_VIEW);
-       }
-
        shell = create_default_shell ();
        if (!shell)
                return 1;