Revert "Bug 426115 - Empty class in Factory Extension in org.eclipse.debug.ui"

This reverts commit 00e834599b236bd04b24ca95a871c872633bbe99.

Mmh, looks like this is indeed somewhat used. See bug 396822 for details.

Change-Id: Ida22a2e9fe577f905e9ec15d48502bcee881411b
diff --git a/org.eclipse.debug.ui/plugin.xml b/org.eclipse.debug.ui/plugin.xml
index 3cb3723..7c61559 100644
--- a/org.eclipse.debug.ui/plugin.xml
+++ b/org.eclipse.debug.ui/plugin.xml
@@ -2498,6 +2498,11 @@
             <adapter type="org.eclipse.ui.model.IWorkbenchAdapter"/>
          </factory>
          <factory 
+            class="" 
+            adaptableType="org.eclipse.ui.part.FileEditorInput">
+            <adapter type="org.eclipse.debug.ui.actions.ILaunchable"/>
+         </factory>
+         <factory 
             class="org.eclipse.debug.internal.ui.DebugUIAdapterFactory"
             adaptableType="org.eclipse.debug.internal.ui.breakpoints.provisional.IBreakpointContainer">
             <adapter type="org.eclipse.ui.model.IWorkbenchAdapter"/>