Remove segregated tag when removing Cycle & Foot Path preset

[RudyTheDev]

Expecting the segregated=yes/no tag to be removed when switching away from "Cycle & Foot Path" preset, since the segregated tag only applies to ways with combined cycle and pedestrian traffic and is meaningless otherwise.

Although, ideally it would be nice to have both the segregated and non-segregated version as presets per #317 and #871.

id 2.25.2