Remove outdated root readme_eclipse.html from eclipse.rcp feature

Author: HannesWell

eclipse.platform.releng/features/org.eclipse.rcp/build.properties

@@ -1,5 +1,5 @@
 ###############################################################################
-#  Copyright (c) 2000, 2014 IBM Corporation and others.
+#  Copyright (c) 2000, 2026 IBM Corporation and others.
 #
 #  This program and the accompanying materials
 #  are made available under the terms of the Eclipse Public License 2.0
@@ -12,7 +12,3 @@
 #     IBM Corporation - initial API and implementation
 ###############################################################################
 bin.includes=feature.xml,feature.properties
-root=rootfiles
-
-
-