Remove outdated examples and framework pieces

sky/examples/radio.sky

Index: sky/examples/radio.sky
diff --git a/sky/examples/radio.sky b/sky/examples/radio.sky
deleted file mode 100644
index 33a45d54f25416ffbcd46aca7431f4baaee34480..0000000000000000000000000000000000000000
--- a/sky/examples/radio.sky
+++ /dev/null
@@ -1,86 +0,0 @@
-SKY MODULE - radio button and radio button group
-<!-- accessibility handling not implemented yet, pending mojo service -->
-
-<!-- <radio> -->
-<template id="radio-shadow">
- <style>
-  :host { width: 1em; height: 1em; border: solid; background: white; }
-  :host[checked] { background: black; }
- </style>
-</template>
-<script>
- module.exports.RadioElement = module.registerElement(
-   class extends Element {
-     static get tagName() { return 'radio'; }
-     static get shadow() { return true; }
-     constructor (hostModule) {
-       super(hostModule);
-       this.addEventListener('click', (event) => this.checked = true);
-       this.shadowRoot.append(module.document.findId('radio-shadow').content.cloneNode(true));
-     }
-     get checked () {
-       return this.hasAttribute('checked');
-     }
-     set checked (value) {
-       if (value)
-         this.setAttribute('checked', '');
-       else
-         this.removeAttribute('checked');
-     }
-     get value () {
-       return this.getAttribute('name');
-     }
-     set value (value) {
-       this.setAttribute('value', value);
-     }
-     attributeChanged(name, oldValue, newValue) {
-       if ((name == 'checked') && (newValue != null))
-         if (this.parentNode instanceof module.exports.RadioGroupElement)
-           this.parentNode.setChecked(this);
-     }
-   }
- );
-</script>
-
-<!-- <radiogroup> -->
-<template id="radiogroup-shadow">
- <style>
-  :host { padding: 1em; border: thin solid; }
- </style>
-</template>
-<script>
- module.exports.RadioGroupElement = module.registerElement(
-   class extends Element {
-     static get tagName() { return 'radiogroup'; }
-     static get shadow() { return true; }
-     constructor (hostModule) {
-       super(hostModule);
-       this.shadowRoot.append(module.document.findId('radiogroup-shadow').content.cloneNode(true));
-     }
-     get value () {
-       let children = this.getChildNodes();
-       for (let child of children)
-         if (child instanceof module.exports.RadioElement)
-           if (child.checked)
-             return child.name;
-       return '';
-     }
-     set value (name) {
-       let children = this.getChildNodes();
-       for (let child of children)
-         if (child instanceof module.exports.RadioElement)
-           if (child.value == name)
-             child.checked = true;
-     }
-     setChecked(radio) {
-       if (!((radio instanceof module.exports.Radio) && radio.parentNode == this))
-         throw;
-       let children = this.getChildNodes();
-       for (let child of children)
-         if (child instanceof module.exports.RadioElement)
-           if (child != radio)
-             child.checked = false;
-     }
-   }
- );
-</script>