Merge pull request #36 from vbgl/tests-dune-clean

Remove redundant dune rules

These rules are redundant because the `tests` stanza of Dune generated them, see 
https://dune.readthedocs.io/en/stable/reference/dune/test.html

tests/dune

@@ -11,41 +11,3 @@
    standalone_minimal
    standalone_test_strict_bounds)
  (libraries ocplib-simplex zarith))
-
-(rule
- (alias runtest)
- (action
-  (diff solveEmpty.expected solveEmpty.output)
- )
-)
-
-(rule
- (alias runtest)
- (action
-  (diff
-    standalone_minimal_maximization.expected
-    standalone_minimal_maximization.output
-  )
- )
-)
-
-(rule
- (alias runtest)
- (action
-  (diff
-    standalone_minimal.expected
-    standalone_minimal.output
-  )
- )
-)
-
-(rule
- (alias runtest)
- (action
-  (diff
-    standalone_test_strict_bounds.expected
-    standalone_test_strict_bounds.output
-  )
- )
-)
-