Remove duplicate section in auto-devops documentation

doc/topics/autodevops/index.md

@@ -253,19 +253,6 @@ check out.
 In GitLab Ultimate, any security warnings are also
 [shown in the merge request widget](../../user/project/merge_requests/dependency_scanning.md).
 
-### Auto Dependency Scanning
-
-> Introduced in [GitLab Ultimate][ee] 10.7.
-
-Dependency Scanning uses the
-[Dependency Scanning Docker image](https://gitlab.com/gitlab-org/security-products/dependency-scanning)
-to run analysis on the project dependencies and checks for potential security issues. Once the
-report is created, it's uploaded as an artifact which you can later download and
-check out.
-
-In GitLab Ultimate, any security warnings are also
-[shown in the merge request widget](https://docs.gitlab.com/ee/user/project/merge_requests/dependency_scanning.html).
-
 ### Auto Container Scanning
 
 > Introduced in GitLab 10.4.