Remove @extends and @constructor annotations

src/ol/layer/Base.js

@@ -31,9 +31,6 @@ class BaseLayer extends BaseObject {
    * the options is set as a {@link module:ol/Object} property on the layer object, so
    * is observable, and has get/set accessors.
    *
-   * @constructor
-   * @abstract
-   * @extends {module:ol/Object}
    * @param {module:ol/layer/Base~Options} options Layer options.
    * @api
    */

src/ol/layer/Group.js

@@ -47,8 +47,6 @@ class LayerGroup extends BaseLayer {
    *
    * A generic `change` event is triggered when the group/Collection changes.
    *
-   * @constructor
-   * @extends {module:ol/layer/Base}
    * @param {module:ol/layer/Group~Options=} opt_options Layer options.
    * @api
    */

src/ol/layer/Heatmap.js

@@ -67,8 +67,6 @@ class Heatmap extends VectorLayer {
    * property on the layer object; for example, setting `title: 'My Title'` in the
    * options means that `title` is observable, and has get/set accessors.
    *
-   * @constructor
-   * @extends {module:ol/layer/Vector}
    * @fires module:ol/render/Event~RenderEvent
    * @param {module:ol/layer/Heatmap~Options=} opt_options Options.
    * @api

src/ol/layer/Image.js

@@ -35,8 +35,6 @@ class ImageLayer extends Layer {
    * property on the layer object; for example, setting `title: 'My Title'` in the
    * options means that `title` is observable, and has get/set accessors.
    *
-   * @constructor
-   * @extends {module:ol/layer/Layer}
    * @fires module:ol/render/Event~RenderEvent
    * @param {module:ol/layer/Image~Options=} opt_options Layer options.
    * @api

src/ol/layer/Layer.js

@@ -60,9 +60,6 @@ class Layer extends BaseLayer {
    *
    * A generic `change` event is fired when the state of the source changes.
    *
-   * @constructor
-   * @abstract
-   * @extends {module:ol/layer/Base}
    * @fires module:ol/render/Event~RenderEvent
    * @param {module:ol/layer/Layer~Options} options Layer options.
    * @api

src/ol/layer/Tile.js

@@ -39,9 +39,6 @@ class TileLayer extends Layer {
    * property on the layer object; for example, setting `title: 'My Title'` in the
    * options means that `title` is observable, and has get/set accessors.
    *
-   * @constructor
-   * @extends {module:ol/layer/Layer}
-   * @fires module:ol/render/Event~RenderEvent
    * @param {module:ol/layer/Tile~Options=} opt_options Tile layer options.
    * @api
    */

src/ol/layer/Vector.js

@@ -85,9 +85,6 @@ class VectorLayer extends Layer {
    * property on the layer object; for example, setting `title: 'My Title'` in the
    * options means that `title` is observable, and has get/set accessors.
    *
-   * @constructor
-   * @extends {module:ol/layer/Layer}
-   * @fires module:ol/render/Event~RenderEvent
    * @param {module:ol/layer/Vector~Options=} opt_options Options.
    * @api
    */

src/ol/layer/VectorTile.js

@@ -94,8 +94,6 @@ class VectorTileLayer extends VectorLayer {
    * property on the layer object; for example, setting `title: 'My Title'` in the
    * options means that `title` is observable, and has get/set accessors.
    *
-   * @constructor
-   * @extends {module:ol/layer/Vector}
    * @param {module:ol/layer/VectorTile~Options=} opt_options Options.
    * @api
    */