The night before their youngest sister’s wedding, two brothers and soon-to-be groomsmen from a tight-knit hockey family rode their bikes down a county road not far from their southern New Jersey hometown.Instead of celebrating this weekend, their family now has two funerals to plan as the sports world mourns.The sun had set over Oldsmans Township Thursday evening as Johnny Gaudreau, 31, and Matthew Gaudreau, 29, cycled near the fog line along County Route 551.There were good things on the horizon for Johnny and Matthew, two talented hockey players who tore up the ice for a season together at Boston College before Johnny, widely known as “Johnny Hockey,” would be drafted by the NHL’s Calgary Flames in 2011 straight out of college to launch a stellar professional career.Their family was expanding. They were ready to welcome another brother into the fold Friday as their sister, Katie Gaudreau, prepared to wed the …