run tests that rely on backend PID to run against cockroach

cockroach has supported backend PIDs on connections since 22.1:
https://www.cockroachlabs.com/docs/releases/v22.1.html#v22-1-3-sql-language-changes

pgxpool/pool_test.go

@@ -310,14 +310,6 @@ func TestPoolAfterRelease(t *testing.T) {
 		pool, err := pgxpool.New(context.Background(), os.Getenv("PGX_TEST_DATABASE"))
 		require.NoError(t, err)
 		defer pool.Close()
-
-		err = pool.AcquireFunc(context.Background(), func(conn *pgxpool.Conn) error {
-			if conn.Conn().PgConn().ParameterStatus("crdb_version") != "" {
-				t.Skip("Server does not support backend PID")
-			}
-			return nil
-		})
-		require.NoError(t, err)
 	}()
 
 	config, err := pgxpool.ParseConfig(os.Getenv("PGX_TEST_DATABASE"))
@@ -354,14 +346,6 @@ func TestPoolBeforeClose(t *testing.T) {
 		pool, err := pgxpool.New(context.Background(), os.Getenv("PGX_TEST_DATABASE"))
 		require.NoError(t, err)
 		defer pool.Close()
-
-		err = pool.AcquireFunc(context.Background(), func(conn *pgxpool.Conn) error {
-			if conn.Conn().PgConn().ParameterStatus("crdb_version") != "" {
-				t.Skip("Server does not support backend PID")
-			}
-			return nil
-		})
-		require.NoError(t, err)
 	}()
 
 	config, err := pgxpool.ParseConfig(os.Getenv("PGX_TEST_DATABASE"))
@@ -719,14 +703,6 @@ func TestConnReleaseClosesConnInFailedTransaction(t *testing.T) {
 	require.NoError(t, err)
 	defer pool.Close()
 
-	err = pool.AcquireFunc(ctx, func(conn *pgxpool.Conn) error {
-		if conn.Conn().PgConn().ParameterStatus("crdb_version") != "" {
-			t.Skip("Server does not support backend PID")
-		}
-		return nil
-	})
-	require.NoError(t, err)
-
 	c, err := pool.Acquire(ctx)
 	require.NoError(t, err)
 
@@ -765,14 +741,6 @@ func TestConnReleaseClosesConnInTransaction(t *testing.T) {
 	require.NoError(t, err)
 	defer pool.Close()
 
-	err = pool.AcquireFunc(ctx, func(conn *pgxpool.Conn) error {
-		if conn.Conn().PgConn().ParameterStatus("crdb_version") != "" {
-			t.Skip("Server does not support backend PID")
-		}
-		return nil
-	})
-	require.NoError(t, err)
-
 	c, err := pool.Acquire(ctx)
 	require.NoError(t, err)