python3-pytest: Remove dependency on python3-toml

Since version 7.2.0 [1], pytest uses the "batteries included" tomllib
module for parsing pyproject.toml configuration files [2]. It is
therefore no longer necessary to have python3-toml in RDEPENDS.

[1] https://docs.pytest.org/en/latest/changelog.html#pytest-7-2-0-2022-10-23
[2] pytest-dev/pytest#9741

(From OE-Core rev: c84214ac5a55c5256843365b0108d1392282fced)

Signed-off-by: Arnout Vandecappelle <arnout@mind.be>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/python/python3-pytest_7.2.1.bb

@@ -26,7 +26,6 @@ RDEPENDS:${PN}:class-target += " \
     ${PYTHON_PN}-py \
     ${PYTHON_PN}-setuptools \
     ${PYTHON_PN}-six \
-    ${PYTHON_PN}-toml \
     ${PYTHON_PN}-wcwidth \
 "