remove other not used env vars.

Author: makasim

SqsExtension.php

@@ -9,19 +9,10 @@ trait SqsExtension
 {
     private function buildSqsContext(): SqsContext
     {
-        if (false == getenv('AWS_SQS_ENDPOINT') && false == getenv('AWS_SQS_KEY')) {
+        if (false == $dsn = getenv('SQS_DSN')) {
             throw new \PHPUnit_Framework_SkippedTestError('Functional tests are not allowed in this environment');
         }
 
-        $config = [
-            'key' => getenv('AWS_SQS_KEY'),
-            'secret' => getenv('AWS_SQS_SECRET'),
-            'region' => getenv('AWS_SQS_REGION'),
-            'version' => getenv('AWS_SQS_VERSION'),
-            'endpoint' => getenv('AWS_SQS_ENDPOINT'),
-            'lazy' => false,
-        ];
-
-        return (new SqsConnectionFactory($config))->createContext();
+        return (new SqsConnectionFactory($dsn))->createContext();
     }
 }