acvp: fix the no-acvp_test build

A pair of the disabled string checks were incorrect.

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/15082)

Configure

diff --git a/Configure b/Configure
index 83c9a6f..7acbbc5 100755
--- a/Configure
+++ b/Configure
@@ -379,7 +379,7 @@
 # For developers: keep it sorted alphabetically
 
 my @disablables = (
-    "acvp_tests",
+    "acvp-tests",
     "afalgeng",
     "aria",
     "asan",