Remove negation entirely

Author: JonRowe

script/run_build

@@ -29,11 +29,7 @@ if style_and_lint_enforced; then
 fi
 
 if is_mri; then
-  # As of 2019-09-24 this causes a huge log due to a cicular dependency
-  # disable for now
-  if [ ! is_mri_193 ]; then
-    fold "one-by-one specs" run_specs_one_by_one
-  fi
+  fold "one-by-one specs" run_specs_one_by_one
   run_all_spec_suites
 else
   echo "Skipping the rest of the build on non-MRI rubies"