All: Replace most SynchronousProcess by QtcProcess

Change-Id: I0bf22fef2cd4a7297ef5a1e9aa9c3e2b9348ba42
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/cvs/cvsplugin.cpp

@@ -1446,7 +1446,7 @@ CvsResponse CvsPluginPrivate::runCvs(const QString &workingDirectory,
         return response;
     }
     // Run, connect stderr to the output window
-    SynchronousProcess proc;
+    QtcProcess proc;
     proc.setTimeoutS(timeOutS);
 
     VcsCommand command(workingDirectory, Environment::systemEnvironment());