use upstream

Author: blink1073

.evergreen/scripts/configure-env.sh

@@ -77,9 +77,7 @@ EOT
 # Write the .env file for drivers-tools.
 rm -rf $DRIVERS_TOOLS
 BRANCH=master
-BRANCH=PYTHON-5217
 ORG=mongodb-labs
-ORG=blink1073
 git clone --branch $BRANCH https://github.com/$ORG/drivers-evergreen-tools.git $DRIVERS_TOOLS
 
 cat <<EOT > ${DRIVERS_TOOLS}/.env