[epiphany] Remove now-obsolete WebKit version guards

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 10a720c154ac6da09322fe69a42dcc2e2f9a4367
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Thu Jun 6 10:33:08 2019 -0500

    Remove now-obsolete WebKit version guards

 embed/web-process-extension/ephy-web-process-extension.c | 5 -----
 1 file changed, 5 deletions(-)
---
diff --git a/embed/web-process-extension/ephy-web-process-extension.c 
b/embed/web-process-extension/ephy-web-process-extension.c
index e025b9282..039a028bd 100644
--- a/embed/web-process-extension/ephy-web-process-extension.c
+++ b/embed/web-process-extension/ephy-web-process-extension.c
@@ -741,12 +741,7 @@ window_object_cleared_cb (WebKitScriptWorld        *world,
                           WebKitFrame              *frame,
                           EphyWebProcessExtension  *extension)
 {
-  /* FIXME: remove this check once we bump WebKit dependency */
-#if WEBKIT_CHECK_VERSION(2, 25, 1)
   g_autoptr(JSCContext) js_context = NULL;
-#else
-  JSCContext *js_context;
-#endif
   g_autoptr(GBytes) bytes = NULL;
   const char* data;
   gsize data_size;