Removed CRWSessionEntry unittests.

ios/web/navigation/crw_session_entry.mm

Index: ios/web/navigation/crw_session_entry.mm
diff --git a/ios/web/navigation/crw_session_entry.mm b/ios/web/navigation/crw_session_entry.mm
index 2462bfc6cc481a509c70041ab2a52f07f8df2bb2..d68eca8f7df106fdb05d6872f17a1639f92fc6a6 100644
--- a/ios/web/navigation/crw_session_entry.mm
+++ b/ios/web/navigation/crw_session_entry.mm
@@ -50,17 +50,7 @@ - (instancetype)copyWithZone:(NSZone*)zone {
 }
 
 - (NSString*)description {
-  return [NSString
-      stringWithFormat:
-          @"url:%@ originalurl:%@ title:%@ transition:%d displayState:%@ "
-          @"desktopUA:%d",
-          base::SysUTF8ToNSString(_navigationItem->GetURL().spec()),
-          base::SysUTF8ToNSString(
-              _navigationItem->GetOriginalRequestURL().spec()),
-          base::SysUTF16ToNSString(_navigationItem->GetTitle()),
-          _navigationItem->GetTransitionType(),
-          _navigationItem->GetPageDisplayState().GetDescription(),
-          _navigationItem->IsOverridingUserAgent()];
+  return _navigationItem->GetDescription();
 }
 
 - (web::NavigationItem*)navigationItem {