ssl_by_default: remove stray PG10 check

src/test/regress/expected/ssl_by_default.out

@@ -3,22 +3,11 @@
 -- To test this we will verify that SSL is set to ON for all machines, and we will make
 -- sure connections to workers use SSL by having it required in citus.conn_nodeinfo and
 -- lastly we will inspect the ssl state for connections to the workers
--- ssl can only be enabled by default on installations of postgres 10 and above that are
--- OpenSSL-enabled.
-SHOW server_version \gset
+-- ssl can only be enabled by default on installations that are OpenSSL-enabled.
 SHOW ssl_ciphers \gset
-WITH features AS (
-    SELECT
-        substring(:'server_version', '\d+')::int >= 10 AS version_ten_or_above,
-        :'ssl_ciphers' != 'none' AS hasssl
-)
-SELECT (
-    true
-    AND version_ten_or_above
-    AND hasssl
-) AS ssl_by_default_supported FROM features;
- ssl_by_default_supported 
---------------------------
+SELECT :'ssl_ciphers' != 'none' AS hasssl;
+ hasssl 
+--------
  t
 (1 row)
 

src/test/regress/sql/ssl_by_default.sql

@@ -5,20 +5,9 @@
 -- sure connections to workers use SSL by having it required in citus.conn_nodeinfo and
 -- lastly we will inspect the ssl state for connections to the workers
 
--- ssl can only be enabled by default on installations of postgres 10 and above that are
--- OpenSSL-enabled.
-SHOW server_version \gset
+-- ssl can only be enabled by default on installations that are OpenSSL-enabled.
 SHOW ssl_ciphers \gset
-WITH features AS (
-    SELECT
-        substring(:'server_version', '\d+')::int >= 10 AS version_ten_or_above,
-        :'ssl_ciphers' != 'none' AS hasssl
-)
-SELECT (
-    true
-    AND version_ten_or_above
-    AND hasssl
-) AS ssl_by_default_supported FROM features;
+SELECT :'ssl_ciphers' != 'none' AS hasssl;
 
 SHOW ssl;
 SELECT run_command_on_workers($$