removed exit palette entry

plugins/org.yakindu.sct.ui.editor/plugin.xml

@@ -389,7 +389,7 @@
                    path="/tools/"
                    small_icon="icons/obj16/Final-State-16.png">
              </entry>
-             <entry
+             <!-- entry
                    description="Creates an exit point"
                    id="org.yakindu.sct.ui.editor.Exit"
                    kind="tool"
@@ -397,7 +397,7 @@
                    large_icon="icons/obj32/Exit-Point-32.png"
                    path="/tools/"
                    small_icon="icons/obj16/Exit-Point-16.png">
-             </entry>
+             </entry -->
              <entry
                    description="Creates a choice"
                    id="org.yakindu.sct.ui.editor.Choice"