remove unused GRAPH variable

diff --git a/rtest/rtest.py b/rtest/rtest.py
index 4498531293ac35c05de0e4672dd66a5a7ede601c..2a044bff1cc42fec569ed74a1768d6cea069be60 100755 (executable)
--- a/rtest/rtest.py
+++ b/rtest/rtest.py
@@ -30,7 +30,6 @@ DOT = os.environ.get('DOT', shutil.which('dot'))
 DIFFIMG = os.environ.get('DIFFIMG', shutil.which('diffimg'))
 
 TESTNAME = ''   # name of test
-GRAPH = ''      # graph specification
 CRASH_CNT = 0
 DIFF_CNT = 0
 TOT_CNT = 0