Move ssh acceptance tests to direct engine (#3968)

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Author: ilia-db

acceptance/ssh/connection/out.test.toml

@@ -3,4 +3,4 @@ Cloud = true
 RequiresCluster = true
 
 [EnvMatrix]
-  DATABRICKS_BUNDLE_ENGINE = ["direct-exp"]
+  DATABRICKS_BUNDLE_ENGINE = ["direct"]