chore: delete old test

fix #24

Author: everythingfunctional

test/main.f90

@@ -8,9 +8,6 @@ subroutine run()
         use compiler_test, only: &
                 compiler_ref_reference => &
                     test_ref_reference
-        use ref_reference_test, only: &
-                ref_reference_ref_reference => &
-                    test_ref_reference
         use usage_test, only: &
                 usage_usage => &
                     test_usage
@@ -19,11 +16,10 @@ subroutine run()
 
 
         type(test_item_t) :: tests
-        type(test_item_t) :: individual_tests(3)
+        type(test_item_t) :: individual_tests(2)
 
         individual_tests(1) = compiler_ref_reference()
-        individual_tests(2) = ref_reference_ref_reference()
-        individual_tests(3) = usage_usage()
+        individual_tests(2) = usage_usage()
         tests = test_that(individual_tests)