Revert "PHPC-1180: Do not require weak cert validation for STANDALONE_SSL"

This reverts commit a066597.

Author: jmikola

.travis.scripts/setup_mo.sh

@@ -25,7 +25,7 @@ case $DEPLOYMENT in
     ;;
   STANDALONE_SSL)
     ${TRAVIS_BUILD_DIR}/.travis.scripts/mo.sh ${TRAVIS_BUILD_DIR}/scripts/presets/travis/standalone/standalone-ssl.json start > /tmp/mo-result.json
-    cat /tmp/mo-result.json | tail -n 1 | php -r 'echo json_decode(file_get_contents("php://stdin"))->mongodb_uri, "/?ssl=true";' > /tmp/uri.txt
+    cat /tmp/mo-result.json | tail -n 1 | php -r 'echo json_decode(file_get_contents("php://stdin"))->mongodb_uri, "/?ssl=true&sslallowinvalidcertificates=true";' > /tmp/uri.txt
     ;;
   REPLICASET)
     ${TRAVIS_BUILD_DIR}/.travis.scripts/mo.sh ${TRAVIS_BUILD_DIR}/scripts/presets/travis/replica_sets/replicaset.json start > /tmp/mo-result.json