This patch simply changes the default value of `mouse-wheel-progressive-speed` to nil, rather than 1. This makes the initial behavior closer to that of other editors: no progressive scrolling speed. It feels like an option that should be opt-in rather than opt-out, which is why I've changed it to be off by default.

This commit was done as part of the emacs-oob-reboot project, which seeks to create a better out of the box experience for Emacs.

Thank you.