clean up dependencies on apache commons libs and move those dependencies to impoort-package where necessary to be prepared for bundle symbolic name changes coming up

eclipse-extensions/org.springframework.ide.eclipse.boot.dash/META-INF/MANIFEST.MF

@@ -38,7 +38,6 @@ Require-Bundle: org.eclipse.ui,
  org.apache.httpcomponents.httpclient,
  org.apache.httpcomponents.httpcore,
  org.springsource.ide.eclipse.commons.core,
- org.apache.commons.lang3,
  org.springframework.ide.eclipse.editor.support,
  org.springframework.ide.eclipse.beans.ui.live,
  org.eclipse.core.commands,