remove irrelevant test from pgx

.travis.yml

@@ -17,7 +17,6 @@ env:
     - PGX_TEST_DATABASE=postgres://pgx_md5:secret@127.0.0.1/pgx_test
 
   matrix:
-    - CRATEVERSION=2.1 PGX_TEST_CRATEDB_CONN_STRING="host=127.0.0.1 port=6543 user=pgx database=pgx_test"
     - PGVERSION=12
     - PGVERSION=11
     - PGVERSION=10

travis/script.bash

@@ -2,10 +2,4 @@
 # source: https://github.com/jackc/pgx/blob/master/travis/script.bash
 set -eux
 
-if [ "${PGVERSION-}" != "" ]
-then
-  go test -v -race ./...
-elif [ "${CRATEVERSION-}" != "" ]
-then
-  go test -v -race -run 'TestCrateDBConnect'
-fi
+go test -v -race ./...