Remove test exclusion on FreeBSD

Author: bjorn3

.cirrus.yml

@@ -19,5 +19,4 @@ task:
     # FIXME(rust-lang/rust#134863) necessary to avoid error when dlopening proc
     # macros during compilation of cg_clif.
     - export LD_STATIC_TLS_EXTRA=4096
-    # Skip rand as it fails on FreeBSD due to rust-random/rand#1355
-    - ./y.sh test --skip-test test.rust-random/rand
+    - ./y.sh test