fix: remove extra static props for DocExtension

This was causing errors on the build when tests were run.

docs/concepts/keymap.mdx

@@ -21,17 +21,14 @@ The `next` method allows full control beyond the return value. It allows both ca
 priority key bindings regardless of whether true or false has been called.
 
 ```tsx
-import { BaseExtensionOptions, Extension, KeyBindings } from '@remirror/core';
+import { BaseExtensionOptions, Extension, KeyBindings, extensionDecorator } from '@remirror/core';
 
 interface CustomKeymapExtensionOptions {
   override?: boolean;
 }
 
+@extensionDecorator({ defaultOptions: { override: false } })
 export class CustomKeymapExtension extends Extension<CustomKeymapExtensionOptions> {
-  static readonly defaultOptions = {
-    override: false,
-  };
-
   get name() {
     return 'customKeymap' as const;
   }

docs/concepts/priority.mdx

@@ -28,15 +28,16 @@ Now your customExtension will have a priority level that's higher than other ext
 run prior to other extensions.
 
 If you have full control of the extension you can also set the `defaultPriority` as a static
-property to achieve the same effect.
+property with the `extension.
 
 ```ts
-import { Extension, ExtensionPriority } from 'remirror/core';
+import { Extension, ExtensionPriority, extensionDecorator } from 'remirror/core';
 
-class CustomExtension extends Extension {
+@extensionDecorator({
   // Now every custom extension created will have a `High` priority than default.
-  static readonly defaultPriority = ExtensionPriority.High;
-
+  defaultPriority: ExtensionPriority.High,
+})
+class CustomExtension extends Extension {
   get name() {
     return 'custom' as const;
   }

packages/@remirror/core-types/src/annotation-types.ts

@@ -91,14 +91,17 @@ export type Dynamic<Type> = Type & DynamicAnnotation;
  * to automate this.
  *
  * ```ts
- * import { PlainExtension } from 'remirror/core';
+ * import { PlainExtension, extensionDecorator } from 'remirror/core';
  * interface CustomOptions {
  *   simple: boolean; // Automatically a dynamic property
  *   onChange: Handler<(value: string) => void>;
  * }
  *
+ * @extensionDecorator({ handlerKeys: ['onChange'] })
  * class CustomExtension extends PlainExtension<CustomOptions> {
- *   static readonly handlerKeys = ['onChange'];
+ *   get name() {
+ *     return 'custom' as const;
+ *   }
  * }
  *
  * // No prompt to include the `onChange` handler due to the annotation.

packages/@remirror/extension-collaboration/src/collaboration-extension.ts

@@ -7,7 +7,6 @@ import {
   EditorState,
   extensionDecorator,
   Handler,
-  HandlerKeyList,
   invariant,
   isArray,
   isNumber,
@@ -36,8 +35,6 @@ import { Step } from '@remirror/pm/transform';
   handlerKeys: ['onSendableReceived'],
 })
 export class CollaborationExtension extends PlainExtension<CollaborationOptions> {
-  static readonly handlerKeys: HandlerKeyList<CollaborationOptions> = ['onSendableReceived'];
-
   get name() {
     return 'collaboration';
   }

packages/@remirror/extension-doc/src/doc-extension.ts

@@ -58,12 +58,9 @@ export interface DocOptions {
   },
   defaultPriority: ExtensionPriority.Medium,
   staticKeys: ['content'],
+  disableExtraAttributes: true,
 })
 export class DocExtension extends NodeExtension<DocOptions> {
-  static readonly defaultPriority = ExtensionPriority.Medium;
-
-  static readonly disableExtraAttributes = true;
-
   get name() {
     return 'doc' as const;
   }