Use resource_string function from galaxy.util

Author: mvdbeek

planemo/reports/build_report.py

@@ -1,11 +1,11 @@
 import base64
 
 from galaxy.util import strip_control_characters
+from galaxy.util.resources import resource_string
 from jinja2 import (
     Environment,
     PackageLoader,
 )
-from pkg_resources import resource_string
 
 TITLE = "Results (powered by Planemo)"