Removed the legacy shader build system

src/ol/webgl/shader.mustache

@@ -1,17 +0,0 @@
-/**
- * @module {{{module}}}
- */
-// This file is automatically generated, do not edit.
-// Run `make shaders` to generate, and commit the result.
-
-import {DEBUG as DEBUG_WEBGL} from '../../../webgl.js';
-import WebGLFragment from '../../../webgl/Fragment.js';
-import WebGLVertex from '../../../webgl/Vertex.js';
-
-export const fragment = new WebGLFragment(DEBUG_WEBGL ?
-  'precision mediump float;\n{{{originalFragmentSource}}}' :
-  'precision mediump float;{{{fragmentSource}}}');
-
-export const vertex = new WebGLVertex(DEBUG_WEBGL ?
-  '{{{originalVertexSource}}}' :
-  '{{{vertexSource}}}');

src/ol/webgl/shaderlocations.mustache

@@ -1,37 +0,0 @@
-/**
- * @module {{{module}}}/Locations
- */
-// This file is automatically generated, do not edit
-// Run `make shaders` to generate, and commit the result.
-
-import {DEBUG as DEBUG_WEBGL} from '../../../../webgl.js';
-
-class Locations {
-
-  /**
-   * @param {WebGLRenderingContext} gl GL.
-   * @param {WebGLProgram} program Program.
-   */
-  constructor(gl, program) {
-  {{#uniforms}}
-
-    /**
-     * @type {WebGLUniformLocation}
-     */
-    this.{{originalName}} = gl.getUniformLocation(
-      program, DEBUG_WEBGL ? '{{originalName}}' : '{{shortName}}');
-  {{/uniforms}}
-  {{#attributes}}
-
-    /**
-     * @type {number}
-     */
-    this.{{originalName}} = gl.getAttribLocation(
-      program, DEBUG_WEBGL ? '{{originalName}}' : '{{shortName}}');
-  {{/attributes}}
-
-  }
-
-}
-
-export default Locations;