Removed non-existent path from gitignore, replaced with Progress/build/*
Removed non-existent path from gitignore, replaced with Progress/build/*

ProjectSidewalk/SidewalkWebpage,ProjectSidewalk/SidewalkWebpage,ProjectSidewalk/SidewalkWebpage,ProjectSidewalk/SidewalkWebpage,ProjectSidewalk/SidewalkWebpage,ProjectSidewalk/SidewalkWebpage