modify ATS setting for example test

Example/Tests/Tests-Info.plist

@@ -18,10 +18,5 @@
 	<string>????</string>
 	<key>CFBundleVersion</key>
 	<string>1</string>
-	<key>NSAppTransportSecurity</key>
-	<dict>
-		<key>NSAllowsArbitraryLoads</key>
-		<true/>
-	</dict>
 </dict>
 </plist>

Pod/Classes/MPOFaceServiceClient.m

@@ -315,7 +315,6 @@ typedef void(^PORequestCompletionBlock)(NSURLResponse *response, id responseObje
 }
 
 - (NSURLSessionDataTask *)listPersonGroupsWithStart:(NSString*)start top:(NSInteger)top completionBlock:(MPOPersonGroupArrayCompletionBlock)completion {
-    top = top > 1000 ? 1000 : top;
     NSString * url = [NSString stringWithFormat:@"persongroups?top=%d", top];
     if (start != nil) {
         url = [url stringByAppendingString:[NSString stringWithFormat:@"&start=%@", start]];