Remove call to loadRelatedObjects

[eileenmcnaughton]

Overview

Remove call to loadRelatedObjects

Before

$ids['paymentProcessor'] = $paymentProcessorID;
      $contribution->loadRelatedObjects($input, $ids);

but the loaded ids are never used

After

poof

Technical Details

None of the ids loaded in this function are used anymore so we can remove the call to it
The only reference to ids after this line is to contribution page id, which is loaded earlier

Comments

Test cover in AuthorizenetIPNTest class is pretty solid

[civibot]

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[seamuslee001]

Looks good to me merging