Perform clean code of ds/org.eclipse.pde.ds.core

Author: eclipse-pde-bot

ds/org.eclipse.pde.ds.core/META-INF/MANIFEST.MF

@@ -5,7 +5,6 @@ Bundle-SymbolicName: org.eclipse.pde.ds.core;singleton:=true
 Bundle-Version: 1.3.800.qualifier
 Bundle-Activator: org.eclipse.pde.internal.ds.core.Activator
 Require-Bundle: org.eclipse.core.runtime;bundle-version="[3.29.0,4.0.0)",
- org.eclipse.core.filebuffers;bundle-version="[3.3.0,4.0.0)",
  org.eclipse.core.resources;bundle-version="[3.3.0,4.0.0)",
  org.eclipse.pde.core;bundle-version="[3.3.0,4.0.0)",
  org.eclipse.text;bundle-version="[3.3.0,4.0.0)",