Revert changes to setup.sh

Author: aclark4life

.evergreen/setup.sh

@@ -2,15 +2,6 @@
 
 set -eux
 
-
-# On Evergreen jobs, "CI" will be set, and if "CI" is set, add
-# "/opt/python/Current/bin" to PATH to pick up `just` and `uv`.
-if [ "${CI:-}" == "true" ]; then
-    PATH_EXT="/opt/python/Current/bin:\$PATH"
-fi
-
-export PATH="$PATH_EXT"
-
 # Get the current unique version of this checkout
 # shellcheck disable=SC2154
 if [ "${is_patch}" = "true" ]; then