remove unused shader

Change-Id: Ib30ff20e099f4b3403a3ca7689f7d8d75d888763

chart2/Package_opengl.mk

@@ -16,8 +16,6 @@ $(eval $(call gb_Package_add_files,chart2_opengl_shader,$(LIBO_BIN_FOLDER)/openg
 	commonVertexShader.glsl \
 	debugFragmentShader.glsl \
 	debugVertexShader.glsl \
-	renderFragmentShader.glsl \
-	renderVertexShader.glsl \
 	symbolFragmentShader.glsl \
 	symbolVertexShader.glsl \
 	textFragmentShader.glsl \

chart2/opengl/renderFragmentShader.glsl

-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-/*
- * This file is part of the LibreOffice project.
- *
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
- */
-
-uniform sampler2D RenderTex;
-varying vec2 vTexCoord;
-
-void main()
-{
-    gl_FragColor = vec4(texture2D(RenderTex, vTexCoord).rgb, 1.0);
-}
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

chart2/opengl/renderVertexShader.glsl

-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-/*
- * This file is part of the LibreOffice project.
- *
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
- */
-
-attribute vec4 vPosition;
-attribute vec2 texCoord;
-varying vec2 vTexCoord;
-
-void main()
-{
-    gl_Position =  vPosition;
-    vTexCoord = texCoord;
-}
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */