remove activation key from conf.sh after use

3.New_server_deployment/1.Download_envsetup_config/0_setup.py

@@ -48,3 +48,11 @@ def setup(interactive=True):
     with open(path, 'w') as fo:
         fo.write(req.text)
     utils.log('Configuration written.')
+
+    utils.log('Removing activation key from conf.sh')
+    with open('conf.sh', 'r') as f:
+        lines = f.readlines()
+    with open('conf.sh', 'w') as f:
+        for l in lines:
+            if not l.startswith('SKYREACH_ACTIVATION_KEY'):
+                f.write(l)