Uniform ApplicationLauncher API: get rid of remoteProcessStarted()

Use existing processStarted() signal instead.
Replace isRemoteRunning() with isLocal().

Change-Id: I58d0204888116c00e793fa43f969707013db06eb
Reviewed-by: hjk <hjk@qt.io>

src/plugins/boot2qt/qdbdevicedebugsupport.cpp

@@ -55,7 +55,7 @@ public:
     {
         setId("QdbDebuggeeRunner");
 
-        connect(&m_launcher, &ApplicationLauncher::remoteProcessStarted,
+        connect(&m_launcher, &ApplicationLauncher::processStarted,
                 this, &RunWorker::reportStarted);
         connect(&m_launcher, &ApplicationLauncher::finished,
                 this, &RunWorker::reportStopped);