Remove unnecessary #include from LookalikeUrlNavigationThrottle

This doesn't appear to be used.

Bug: 998925
Change-Id: I9c9698cca201d75b0e5c395d0a3863deaeacaeaa
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1879314Reviewed-by: Joe DeBlasio <jdeblasio@chromium.org>
Commit-Queue: Joe DeBlasio <jdeblasio@chromium.org>
Cr-Commit-Position: refs/heads/master@{#709192}

chrome/browser/lookalikes/lookalike_url_navigation_throttle.h

@@ -12,7 +12,6 @@
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/engagement/site_engagement_details.mojom.h"
 #include "chrome/browser/lookalikes/lookalike_url_interstitial_page.h"
-#include "chrome/browser/reputation/reputation_service.h"
 #include "components/url_formatter/url_formatter.h"
 #include "content/public/browser/navigation_throttle.h"
 #include "services/metrics/public/cpp/ukm_source_id.h"