Manually remove support for W boards from blink_simple example

This will be fixed if raspberrypi/pico-examples#598 is merged

Fixes #152

Author: will-v-pi

data/0.17.0/examples.json

@@ -238,9 +238,7 @@
         "libNames": [],
         "boards": [
             "pico",
-            "pico_w",
-            "pico2",
-            "pico2_w"
+            "pico2"
         ],
         "supportRiscV": true
     },
@@ -1487,4 +1485,4 @@
         ],
         "supportRiscV": true
     }
-}
+}