Remove wercker definition for Magento 2.1 as it is not supported in the main branch any more

(use the 2.1-lts branch instead)

Author: avstudnitz

wercker.yml

@@ -7,32 +7,6 @@ services:
     env:
       MYSQL_ROOT_PASSWORD: root
   - id: integernet/solr_ci:1.8.0
-build-2.1:
-  box: meanbee/magento2-php:7.0-cli # Magento 2.1 is not compatible to PHP 7.1
-  steps:
-    - install-packages:
-        packages: git zip mysql-client libmcrypt-dev libfreetype6-dev libjpeg62-turbo-dev libmcrypt-dev netcat-openbsd
-    - add-ssh-key:
-        keyname: GITHUB_DEPLOY
-        host: github.com
-    - add-to-known_hosts:
-        hostname: github.com
-        fingerprint: 16:27:ac:a5:76:28:2d:36:63:1b:56:4d:eb:df:a6:48
-        type: rsa
-    - script:
-        name: "Wait for MySQL connection"
-        code: |
-          while ! nc -q 1 $MYSQL_CI_PORT_3306_TCP_ADDR $MYSQL_CI_PORT_3306_TCP_PORT </dev/null; do echo -n . && sleep 3; done
-    - script:
-        name: set up test system
-        code: build/install-magento.sh 2.1.17
-    - script:
-        name: run unit tests
-        cwd: /var/www/magento/vendor/integer-net/solr-magento2
-        code: php ../../phpunit/phpunit/phpunit
-    - script:
-        name: run integration tests
-        code: build/integration-tests.sh
 build-2.2:
   steps:
     - install-packages: