Revert "net: don't normalize twice in Socket#connect()"

This reverts commit bb06add4. This commit was causing failures in the async-listener module, which monkey patches Socket.prototype.connect().

cc: @watson @jasnell

Checklist

• make -j4 test (UNIX), or vcbuild test (Windows) passes
• commit message follows commit guidelines

Affected core subsystem(s)

net