Remove bessel-y-test num-tests limit

The asymptotic expansion fix makes bessel-y run ~200ms for 100 tests
(default), well under the 3 sec target. No need to limit num-tests.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: marke000

test/provisdom/math/special_functions_test.clj

@@ -504,7 +504,7 @@
 
 (t/deftest bessel-y-test
   (t/with-instrument `special-fns/bessel-y
-    (t/is-spec-check special-fns/bessel-y {:num-tests 50}))
+    (t/is-spec-check special-fns/bessel-y))
   ;; Singularity at x=0 (outside instrumentation since x=0 fails spec)
   (t/is= m/inf- (special-fns/bessel-y 0 0.0))
   (t/with-instrument :all