Fixes: Enable switching of VCS according to currentProject

Task: 205821
RevBy: con
Details:  Add a IVersionControl to git. Extend IF to able to return a name and add enabling options. Connect project explorer to enable the right VCS.

src/plugins/git/gitclient.cpp

@@ -87,11 +87,6 @@ GitClient::~GitClient()
 {
 }
 
-bool GitClient::vcsOpen(const QString &fileName)
-{
-    return m_plugin->vcsOpen(fileName);
-}
-
 QString GitClient::findRepositoryForFile(const QString &fileName)
 {
     const QString gitDirectory = QLatin1String(kGitDirectoryC);