[python] Renames python generators (#7965)

* python->python-legacy, python-experimental->python

* test with openjdk8

* test with openjdk11

* comment out rm

* move kotlin tests to circleci

* move kotlin tests

* move tests to circleci

* fix circleci

* rearrange test

* move tests

* use wrapper

Co-authored-by: Justin Black <justin.a.black@gmail.com>

samples/openapi3/client/petstore/python-experimental/test_python.sh

@@ -1,31 +0,0 @@
-#!/bin/bash
-
-REQUIREMENTS_FILE=dev-requirements.txt
-REQUIREMENTS_OUT=dev-requirements.txt.log
-SETUP_OUT=*.egg-info
-VENV=venv
-DEACTIVE=false
-
-export LC_ALL=en_US.UTF-8
-export LANG=en_US.UTF-8
-
-### set virtualenv
-if [ -z "$VIRTUAL_ENV" ]; then
-		virtualenv $VENV --no-site-packages --always-copy
-		source $VENV/bin/activate
-    DEACTIVE=true
-fi
-
-### install dependencies
-pip install -r $REQUIREMENTS_FILE | tee -a $REQUIREMENTS_OUT
-
-### run tests
-tox || exit 1
-
-### static analysis of code
-#flake8 --show-source petstore_api/
-
-### deactivate virtualenv
-#if [ $DEACTIVE == true ]; then
-#    deactivate
-#fi