Bug 1284289 - Remove duplicate .retry() of crossreference_error_lines
Bug 1284289 - Remove duplicate .retry() of crossreference_error_lines

Since the task already has the `@retryable_task` decorator applied.

kapy2010/treeherder,tojonmz/treeherder,akhileshpillai/treeherder,tojon/treeherder,KWierso/treeherder,akhileshpillai/treeherder,kapy2010/treeherder,KWierso/treeherder,tojon/treeherder,edmorley/treeherder,edmorley/treeherder,tojonmz/treeherder,akhileshpillai/treeherder,tojon/treeherder,glenn124f/treeherder,KWierso/treeherder,edmorley/treeherder,glenn124f/treeherder,tojonmz/treeherder,glenn124f/treeherder,glenn124f/treeherder,kapy2010/treeherder,akhileshpillai/treeherder,tojonmz/treeherder,glenn124f/treeherder,tojonmz/treeherder,akhileshpillai/treeherder,edmorley/treeherder,glenn124f/treeherder,KWierso/treeherder,akhileshpillai/treeherder,tojon/treeherder,kapy2010/treeherder,tojonmz/treeherder,kapy2010/treeherder