Remove unnecessary (?) import for gmf edit.

Change-Id: Iac310fd7a908d4df2accc06e0d87261099488687
diff --git a/org.eclipse.mylyn.mft.ecoretools.ui/META-INF/MANIFEST.MF b/org.eclipse.mylyn.mft.ecoretools.ui/META-INF/MANIFEST.MF
index 52cd265..cc2986c 100644
--- a/org.eclipse.mylyn.mft.ecoretools.ui/META-INF/MANIFEST.MF
+++ b/org.eclipse.mylyn.mft.ecoretools.ui/META-INF/MANIFEST.MF
@@ -19,7 +19,6 @@
  org.eclipse.gmf.runtime.diagram.core,
  org.eclipse.gmf.runtime.diagram.ui,
  org.eclipse.gmf.runtime.diagram.ui.resources.editor,
- org.eclipse.gmf.runtime.notation.edit,
  org.eclipse.emf.ecore.editor,
  org.eclipse.emf.ecoretools,
  org.eclipse.emf.ecoretools.diagram,