Remove updater page

src/site/pug/admin_update.pug

@@ -1,32 +0,0 @@
-//- Needs {error} or {formattedLog, numberOfCommits, requiresDeps, requiresRestart}
-
-doctype html
-html
-	head
-		title Updater | Bibliogram
-		include includes/head
-	body.updater-page
-		if error
-			h1 Aw man.
-			div= error
-		else
-			h1 Bibliogram updater
-			if numberOfCommits > 0
-				div You are #{numberOfCommits} #{numberOfCommits === 1 ? "commit" : "commits"} behind (most recent first):
-				div.commits
-					each line in formattedLog
-						div.commit
-							code.hash= line.hash
-							span.message= line.message
-				div
-					if requiresDeps
-						span.attention You must run #[code npm install] after pulling.
-					else
-						span No changes to dependencies.
-				div
-					if requiresRestart
-						span.attention You must restart Bibliogram after pulling.
-					else
-						span You do not need to restart Bibliogram after pulling.
-			else
-				div You are running the latest version. Hurrah!