It’s a script the Winnipeg Blue Bombers have authored many, many times before over the past few seasons. And, quite clearly, it’s a storyline that just simply never gets old in these parts. The Blue Bombers brought the hammer down with authority when it really mattered Friday night, nailing down a 31-13 victory over the Saskatchewan Roughriders while once again flashing their championship pedigree. The result, coming in front of a sold-out IG Field crowd of 33,234, not only improves the club to 13-2, but guarantees a home playoff game in south Winnipeg in November. “It’s awesome. The support we…