package/python-immutabledict: 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-immutabledict/python-immutabledict.mk

@@ -7,9 +7,8 @@
 PYTHON_IMMUTABLEDICT_VERSION = 4.2.0
 PYTHON_IMMUTABLEDICT_SOURCE = immutabledict-$(PYTHON_IMMUTABLEDICT_VERSION).tar.gz
 PYTHON_IMMUTABLEDICT_SITE = https://files.pythonhosted.org/packages/55/f4/710c84db4d77767176342913ac6b25f43aaed6d0a0bdb9168a8d2936d9c7
-PYTHON_IMMUTABLEDICT_SETUP_TYPE = pep517
+PYTHON_IMMUTABLEDICT_SETUP_TYPE = poetry
 PYTHON_IMMUTABLEDICT_LICENSE = MIT
 PYTHON_IMMUTABLEDICT_LICENSE_FILES = LICENSE
-PYTHON_IMMUTABLEDICT_DEPENDENCIES = host-python-poetry-core
 
 $(eval $(python-package))