python3-pytest-cache: remove dead recipe

pytest-cache has been unmaintained since its last release in 2013 and
its functionality was long ago merged into pytest core. Drop the recipe
along with its packagegroup-meta-python entry and the now-redundant ptest
dependency in python3-fastjsonschema.

Signed-off-by: Khem Raj <khem.raj@oss.qualcomm.com>

meta-python/recipes-core/packagegroups/packagegroup-meta-python.bb

@@ -343,7 +343,6 @@ RDEPENDS:packagegroup-meta-python3 = "\
     ${@bb.utils.contains("DISTRO_FEATURES", "systemd", "python3-pystemd", "", d)} \
     python3-pytest-asyncio \
     python3-pytest-benchmark \
-    python3-pytest-cache \
     python3-pytest-forked \
     python3-pytest-helpers-namespace \
     python3-pytest-html \

meta-python/recipes-devtools/python/python3-fastjsonschema_2.21.1.bb

@@ -17,7 +17,6 @@ RDEPENDS:${PN}-ptest += "\
     python3-misc \
     python3-pylint \
     python3-pytest-benchmark \
-    python3-pytest-cache \
     python3-statistics \
 "
 RDEPENDS:${PN} += "\

meta-python/recipes-devtools/python/python3-pytest-cache_1.0.bb

@@ -1,15 +0,0 @@
-# Copyright (C) 2021 Khem Raj <raj.khem@gmail.com>
-# Released under the MIT license (see COPYING.MIT for the terms)
-
-SUMMARY = "pytest plugin with mechanisms for caching across test runs"
-HOMEPAGE = "http://bitbucket.org/hpk42/pytest-cache/"
-LICENSE = "MIT"
-LIC_FILES_CHKSUM = "file://LICENSE;md5=a6bb0320b04a0a503f12f69fea479de9"
-
-SRC_URI[sha256sum] = "be7468edd4d3d83f1e844959fd6e3fd28e77a481440a7118d430130ea31b07a9"
-
-inherit pypi setuptools3
-
-RDEPENDS:${PN} += "python3-core python3-execnet python3-pprint python3-py python3-pytest"
-
-BBCLASSEXTEND = "native nativesdk"