Removed version constraints

plugins/org.yakindu.sct.ui.intro/META-INF/MANIFEST.MF

@@ -7,6 +7,6 @@ Bundle-Activator: org.yakindu.sct.ui.intro.Activator
 Bundle-Vendor: YAKINDU
 Require-Bundle: org.eclipse.ui,
  org.eclipse.core.runtime,
- org.eclipse.ui.intro;bundle-version="3.4.200",
- org.eclipse.platform;bundle-version="4.4.0"
+ org.eclipse.ui.intro,
+ org.eclipse.platform
 Bundle-RequiredExecutionEnvironment: JavaSE-1.6