This fixes a type of CI failure:
https://ci.status.im/job/status-go/job/manual/1010
Which results in:
```
java.lang.NoSuchMethodError: No such DSL method 'suffix' found among steps ...
```
Also use release functions provided by `status-jenkins-lib`.
Signed-off-by: Jakub Sokołowski <jakub@status.im>
This should fix issues with re-running builds while skipping some initial stages.
Also removes two libraries we made use of before.
Signed-off-by: Jakub Sokołowski <jakub@status.im>