VcsCommand: Get rid of unused private timeoutS()

Change-Id: I9a105e7454a2407ed855d10a715195ed6638aaf3
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/plugins/vcsbase/vcscommand.cpp

@@ -51,8 +51,6 @@ public:
         return m_environment;
     }
 
-    int timeoutS() const;
-
     void setup();
     void cleanup();
     void setupProcess(Process *process, const Job &job);
@@ -82,12 +80,6 @@ public:
     RunFlags m_flags = RunFlags::None;
 };
 
-int VcsCommandPrivate::timeoutS() const
-{
-    return std::accumulate(m_jobs.cbegin(), m_jobs.cend(), 0,
-        [](int sum, const Job &job) { return sum + job.timeoutS; });
-}
-
 void VcsCommandPrivate::setup()
 {
     VcsOutputWindow::setRepository(m_defaultWorkingDirectory);