8. fix use ssh in ci script

.gitlab-ci.yml

@@ -1,17 +1,7 @@
 stages:
         - hello
-        - testssh
         - build
 
-before_script:
-        - echo "Prepare ssh environment"
-        - eval $(ssh-agent -s)
-        - echo "$SSH_PRIVATE_KEY" | tr -d '\r' | ssh-add -
-        - mkdir -p ~/.ssh
-        - chmod 700 ~/.ssh
-        - ssh-keyscan gitlab.com >> ~/.ssh/known_hosts
-        - chmod 644 ~/.ssh/known_hosts
-        - echo "Preparing ssh environment done"
 
 job1:
         stage: hello
@@ -45,20 +35,20 @@ job3:
         variables:
                 GIT_SUBMODULE_STRATEGY: recursive
         before_script:
+                - echo "Prepare ssh environment"
+                - eval $(ssh-agent -s)
+                - echo "$SSH_PRIVATE_KEY" | tr -d '\r' | ssh-add -
+                - mkdir -p ~/.ssh
+                - chmod 700 ~/.ssh
+                - ssh-keyscan gitlab.com >> ~/.ssh/known_hosts
+                - chmod 644 ~/.ssh/known_hosts
+                - echo "Preparing ssh environment done"
                 - apt update
                 - apt install -y msp430-libc
                 - apt install -y binutils-msp430
                 - apt install -y gcc-msp430
+
         script:
                 - make clean
                 - make all
 
-job4:
-        stage:  testssh
-        tags:
-                - hottis
-                - linux
-                - debian
-        script:
-                - ssh git@gitlab.com
-