Fix Hello Dolly plugin installation errors in WordPress Playground blueprints

playground/test.html

@@ -77,10 +77,6 @@
                         "resource": "wordpress.org/plugins",
                         "slug": "hello-dolly"
                     }
-                },
-                {
-                    "step": "wp-cli",
-                    "command": "wp plugin activate hello-dolly"
                 }
             ]
         };
@@ -111,16 +107,9 @@
                     "step": "wp-cli",
                     "command": "wp plugin install plugin-toggle --activate-network"
                 },
-                {
-                    "step": "installPlugin",
-                    "pluginData": {
-                        "resource": "wordpress.org/plugins",
-                        "slug": "hello-dolly"
-                    }
-                },
                 {
                     "step": "wp-cli",
-                    "command": "wp plugin activate hello-dolly --network"
+                    "command": "wp plugin install hello-dolly"
                 }
             ]
         };