fix more build.properties file which reference files/folder that don't exist: about_files/

Signed-off-by: nickboldt <nboldt@redhat.com>
diff --git a/plugins/enablement/org.eclipse.datatools.enablement.oda.ws.ui/build.properties b/plugins/enablement/org.eclipse.datatools.enablement.oda.ws.ui/build.properties
index f3ad66e..f188d08 100644
--- a/plugins/enablement/org.eclipse.datatools.enablement.oda.ws.ui/build.properties
+++ b/plugins/enablement/org.eclipse.datatools.enablement.oda.ws.ui/build.properties
@@ -18,5 +18,4 @@
                .,\
                plugin.properties,\
                icons/,\
-               about.html,\
-               about_files/
+               about.html
diff --git a/plugins/enablement/org.eclipse.datatools.enablement.oda.ws/build.properties b/plugins/enablement/org.eclipse.datatools.enablement.oda.ws/build.properties
index 1a3ddbc..946418b 100644
--- a/plugins/enablement/org.eclipse.datatools.enablement.oda.ws/build.properties
+++ b/plugins/enablement/org.eclipse.datatools.enablement.oda.ws/build.properties
@@ -17,5 +17,4 @@
                META-INF/,\
                .,\
                plugin.properties,\
-               about.html,\
-               about_files/
+               about.html
diff --git a/plugins/enablement/org.eclipse.datatools.enablement.oda.xml/build.properties b/plugins/enablement/org.eclipse.datatools.enablement.oda.xml/build.properties
index 5e5b0da..7d8a5d4 100644
--- a/plugins/enablement/org.eclipse.datatools.enablement.oda.xml/build.properties
+++ b/plugins/enablement/org.eclipse.datatools.enablement.oda.xml/build.properties
@@ -7,7 +7,6 @@
                META-INF/,\
                .,\
                plugin.properties,\
-               about_files/,\
                about.ini,\
                about.mappings,\
                about.properties,\