Removed unpacking of plugins to prevent long paths in eclipse

plugins/org.yakindu.sct.doc.user/META-INF/MANIFEST.MF

@@ -4,4 +4,3 @@ Bundle-Name: Yakindu SCT Help
 Bundle-SymbolicName: org.yakindu.sct.doc.user;singleton:=true
 Bundle-Version: 2.0.0.qualifier
 Bundle-Vendor: yakindu.org
-Eclipse-BundleShape: dir

plugins/org.yakindu.sct.model.sexec/META-INF/MANIFEST.MF

@@ -19,4 +19,3 @@ Require-Bundle: org.eclipse.core.runtime,
  org.eclipse.xtext,
  org.yakindu.sct.model.stext
 Bundle-ActivationPolicy: lazy
-Eclipse-BundleShape: dir

plugins/org.yakindu.sct.model.sgraph/META-INF/MANIFEST.MF

@@ -21,4 +21,3 @@ Require-Bundle: org.eclipse.core.runtime,
  org.eclipse.gmf.runtime.emf.core,
  org.yakindu.base.types;visibility:=reexport
 Bundle-ActivationPolicy: lazy
-Eclipse-BundleShape: dir

plugins/org.yakindu.sct.model.stext/META-INF/MANIFEST.MF

@@ -40,5 +40,4 @@ Export-Package: org.yakindu.sct.model.stext,
  org.yakindu.sct.model.stext.stext.impl,
  org.yakindu.sct.model.stext.stext.util,
  org.yakindu.sct.model.stext.validation
-Eclipse-BundleShape: dir
 Bundle-ClassPath: .