drop python 2 support from k8s-client/python

Signed-off-by: Priyanka Saggu <priyankasaggu11929@gmail.com>

.github/workflows/test.yaml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [2.7, 3.5, 3.6, 3.7, 3.8, 3.9]
+        python-version: [3.5, 3.6, 3.7, 3.8, 3.9]
 
     steps:
     - uses: actions/checkout@v2

.travis.yml

@@ -24,16 +24,8 @@ jobs:
       [[ "${TRAVIS_TAG}" =~ ^v[0-9]+\.[0-9]+\.[0-9]+(([ab]|dev|rc)[0-9]+)?$ ]]
 
   - stage: test
-    python: 2.7
-    env: TOXENV=update-pycodestyle
-  - python: 3.7
+    python: 3.7
     env: TOXENV=docs
-  - python: 2.7
-    env: TOXENV=coverage,codecov
-  - python: 2.7
-    env: TOXENV=py27
-  - python: 2.7
-    env: TOXENV=py27-functional
   - python: 3.5
     env: TOXENV=py35
   - python: 3.5
@@ -68,18 +60,9 @@ jobs:
       distributions: sdist bdist_wheel
 
   - stage: test
-    python: 2.7
-    env: TOXENV=update-pycodestyle
-    arch: ppc64le
-  - python: 3.7
+    python: 3.7
     env: TOXENV=docs
     arch: ppc64le
-  - python: 2.7
-    env: TOXENV=coverage,codecov
-    arch: ppc64le
-  - python: 2.7
-    env: TOXENV=py27
-    arch: ppc64le
   - python: 3.5
     env: TOXENV=py35
     arch: ppc64le

setup.py

@@ -72,8 +72,6 @@
         "License :: OSI Approved :: Apache Software License",
         "Operating System :: OS Independent",
         "Programming Language :: Python",
-        "Programming Language :: Python :: 2",
-        "Programming Language :: Python :: 2.7",
         "Programming Language :: Python :: 3",
         "Programming Language :: Python :: 3.5",
         "Programming Language :: Python :: 3.6",