package/python-flask-babel: use poetry setup type

Use the new poetry setup type which automatically pulls in the
host-python-poetry-core dependency.

Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/python-flask-babel/python-flask-babel.mk

@@ -8,8 +8,7 @@ PYTHON_FLASK_BABEL_VERSION = 4.0.0
 PYTHON_FLASK_BABEL_SOURCE = flask_babel-$(PYTHON_FLASK_BABEL_VERSION).tar.gz
 PYTHON_FLASK_BABEL_SITE = https://files.pythonhosted.org/packages/58/1a/4c65e3b90bda699a637bfb7fb96818b0a9bbff7636ea91aade67f6020a31
 PYTHON_FLASK_BABEL_LICENSE = BSD-3-Clause
-PYTHON_FLASK_BABEL_SETUP_TYPE = pep517
+PYTHON_FLASK_BABEL_SETUP_TYPE = poetry
 PYTHON_FLASK_BABEL_LICENSE_FILES = LICENSE
-PYTHON_FLASK_BABEL_DEPENDENCIES = host-python-poetry-core
 
 $(eval $(python-package))