Remove duplicate entry, order tools by name

doc/user/project/import/index.md

 # Migrating projects to a GitLab instance
 
 1. [From Bitbucket.org](bitbucket.md)
+1. [From ClearCase](clearcase.md)
+1. [From CVS](cvs.md)
+1. [From FogBugz](fogbugz.md)
 1. [From GitHub.com of GitHub Enterprise](github.md)
 1. [From GitLab.com](gitlab_com.md)
-1. [From FogBugz](fogbugz.md)
 1. [From Gitea](gitea.md)
-1. [From SVN](svn.md)
-1. [From ClearCase](clearcase.md)
 1. [From Perforce](perforce.md)
+1. [From SVN](svn.md)
 1. [From TFS](tfs.md)
-1. [From CVS](cvs.md)
 
 In addition to the specific migration documentation above, you can import any
 Git repository via HTTP from the New Project page. Be aware that if the

doc/user/project/import/tfs.md

@@ -5,12 +5,6 @@ which also includes a centralized version control system (TFVC) similar to Git.
 
 In this document, we emphasize on the TFVC to Git migration.
 
-## Why migrate
-
-CVS is old with no new release since 2008. Git provides more tools to work
-with (`git bisect` for one) which makes for a more productive workflow.
-Migrating to Git/GitLab there is:
-
 ## TFVC vs Git
 
 The following list illustrates the main differences between TFVC and Git: