python-wheels: drop obsolete CIBW_SKIP selectors

Author: andrewchi

.github/workflows/emu-python-wheels.yml

@@ -79,7 +79,7 @@ jobs:
         env:
           CIBW_ARCHS_LINUX: aarch64 x86_64
           CIBW_ARCHS_MACOS: arm64
-          CIBW_SKIP: "*-musllinux_* pp* cp38* cp37* cp36*"
+          CIBW_SKIP: "*-musllinux_* cp38*"
           CIBW_BEFORE_ALL_LINUX: (yum install -y epel-release && yum install -y openssl-devel make zlib-devel xsimd-devel) || apt-get install -y zlib1g-dev libssl-dev make libxsimd-dev || apk add --repository=https://dl-cdn.alpinelinux.org/alpine/edge/community zlib-dev openssl-dev make xsimd-dev
           CIBW_BEFORE_ALL_MACOS: brew install openssl zlib xsimd
           CIBW_TEST_COMMAND: cd {project} && python mercury_python_test.py

.github/workflows/pub-python-wheels.yml

@@ -79,7 +79,7 @@ jobs:
         env:
           CIBW_ARCHS_LINUX: aarch64 x86_64
           CIBW_ARCHS_MACOS: arm64
-          CIBW_SKIP: "*-musllinux_* pp* cp38* cp37* cp36*"
+          CIBW_SKIP: "*-musllinux_* cp38*"
           CIBW_BEFORE_ALL_LINUX: (yum install -y epel-release && yum install -y openssl-devel make zlib-devel xsimd-devel) || apt-get install -y zlib1g-dev libssl-dev make libxsimd-dev || apk add --repository=https://dl-cdn.alpinelinux.org/alpine/edge/community zlib-dev openssl-dev make xsimd-dev
           CIBW_BEFORE_ALL_MACOS: brew install openssl zlib xsimd
           CIBW_TEST_COMMAND: cd {project} && python mercury_python_test.py