skeleton: Remove extra space chars in feature.xml

Before this change, extra trailing space characters were showing at the
end of these amended lines.

Change-Id: I5ae6c6586f82650dfe5458706e32e76ec80ea894
Signed-off-by: Marco Miller <marco.miller@ericsson.com>
Reviewed-on: https://git.eclipse.org/r/c/tracecompass.incubator/org.eclipse.tracecompass.incubator/+/182631
Tested-by: Trace Compass Bot <tracecompass-bot@eclipse.org>
Tested-by: Bernd Hufmann <bernd.hufmann@ericsson.com>
Reviewed-by: Bernd Hufmann <bernd.hufmann@ericsson.com>
Reviewed-by: Matthew Khouzam <matthew.khouzam@ericsson.com>
diff --git a/skeleton/create_new_feature.py b/skeleton/create_new_feature.py
index f9f860f..3d7d43f 100755
--- a/skeleton/create_new_feature.py
+++ b/skeleton/create_new_feature.py
@@ -34,13 +34,13 @@
 baseDir = os.path.dirname(os.path.realpath(__file__))
 
 featurePluginStrPlaceholder = "<!-- insert plugins here -->"
-featurePluginStr = """ 
+featurePluginStr = """
    <plugin
          id="{%plugin}"
          download-size="0"
          install-size="0"
          version="0.0.0"
-         unpack="false"/> 
+         unpack="false"/>
 """
 
 pomModulePlaceholder = "<!-- insert modules here -->"