remove missing reference to crypto test from patch 978f869

Reported-by: Tom Lane

Discussion: https://postgr.es/m/1205031.1608925990@sss.pgh.pa.us

Backpatch-through: master

Author: bmomjian

src/test/Makefile

@@ -30,7 +30,7 @@ endif
 endif
 ifeq ($(with_openssl),yes)
 ifneq (,$(filter ssl,$(PG_TEST_EXTRA)))
-SUBDIRS += ssl crypto
+SUBDIRS += ssl
 endif
 endif