Removed dependency to xtext.common.types because they require jdt and are not necessary without xbase

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

@@ -13,7 +13,6 @@ Require-Bundle: org.yakindu.sct.generator.genmodel;visibility:=reexport,
  org.eclipse.ui,
  org.eclipse.xtext.builder,
  org.antlr.runtime,
- org.eclipse.xtext.common.types.ui,
  org.eclipse.xtext.ui.codetemplates.ui,
  org.eclipse.compare,
  org.yakindu.sct.generator.core;bundle-version="1.0.0",

plugins/org.yakindu.sct.generator.genmodel/META-INF/MANIFEST.MF

@@ -16,11 +16,9 @@ Require-Bundle: org.eclipse.xtext;bundle-version="2.0.0";visibility:=reexport,
  org.eclipse.emf.ecore,
  org.eclipse.emf.common,
  org.antlr.runtime,
- org.eclipse.xtext.common.types,
  org.eclipse.core.runtime;bundle-version="3.7.0",
  org.yakindu.sct.generator.core;bundle-version="1.0.0";visibility:=reexport,
  org.eclipse.xtext.xtend2;bundle-version="2.0.0",
- org.eclipse.xtext.common.types.shared;bundle-version="2.0.0",
  org.eclipse.xtext.xtend2.lib,
  org.yakindu.sct.model.sgen;bundle-version="1.0.0";visibility:=reexport,
  org.yakindu.base.types;bundle-version="1.0.0"

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

@@ -13,7 +13,6 @@ Require-Bundle: org.yakindu.sct.model.stext;visibility:=reexport,
  org.eclipse.ui;visibility:=reexport,
  org.eclipse.xtext.builder,
  org.antlr.runtime,
- org.eclipse.xtext.common.types.ui,
  org.yakindu.sct.model.sgraph,
  org.yakindu.sct.model.stext.edit;bundle-version="1.0.0",
  org.eclipse.help;bundle-version="3.5.100",

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

@@ -16,7 +16,6 @@ Require-Bundle: org.eclipse.xtext;visibility:=reexport,
  org.eclipse.emf.ecore,
  org.eclipse.emf.common,
  org.antlr.runtime,
- org.eclipse.xtext.common.types,
  org.yakindu.sct.model.sgraph;visibility:=reexport,
  de.itemis.xtext.utils.gmf,
  org.eclipse.gmf.runtime.emf.core;bundle-version="1.4.1",