Remove wiktionary.wikipedia.org from rewrites as it is not in DNS.

Change-Id: I543efda2439b4c7b34318f26bf50800c0a2fb9ce
Update the redirect target for education.wikimedia.org

Change-Id: I29b34689e1537683cb1fde42c7533fc0bb0f5a1f
Merge "Update the redirect target for education.wikimedia.org"
Merge "Remove wiktionary.wikipedia.org from rewrites as it is not in DNS."