Remove unused return value.

src/OpenGL/libGLESv2/Context.cpp

@@ -951,7 +951,7 @@ GLuint Context::createVertexArray()
 {
 	GLuint handle = mVertexArrayNameSpace.allocate();
 
-	mVertexArrayMap[handle] = NULL;
+	mVertexArrayMap[handle] = nullptr;
 
 	return handle;
 }
@@ -1268,9 +1268,9 @@ void Context::bindRenderbuffer(GLuint renderbuffer)
     mState.renderbuffer = getRenderbuffer(renderbuffer);
 }
 
-bool Context::bindVertexArray(GLuint array)
+void Context::bindVertexArray(GLuint array)
 {
-	VertexArray* vertexArray = getVertexArray(array);
+	VertexArray *vertexArray = getVertexArray(array);
 
 	if(!vertexArray)
 	{
@@ -1279,8 +1279,6 @@ bool Context::bindVertexArray(GLuint array)
 	}
 
 	mState.vertexArray = array;
-
-	return !!vertexArray;
 }
 
 void Context::bindGenericUniformBuffer(GLuint buffer)
@@ -1540,7 +1538,7 @@ VertexArray *Context::getVertexArray(GLuint array) const
 {
 	VertexArrayMap::const_iterator vertexArray = mVertexArrayMap.find(array);
 
-	return (vertexArray == mVertexArrayMap.end()) ? NULL : vertexArray->second;
+	return (vertexArray == mVertexArrayMap.end()) ? nullptr : vertexArray->second;
 }
 
 VertexArray *Context::getCurrentVertexArray() const

src/OpenGL/libGLESv2/Context.h

@@ -571,7 +571,7 @@ public:
     void bindReadFramebuffer(GLuint framebuffer);
     void bindDrawFramebuffer(GLuint framebuffer);
     void bindRenderbuffer(GLuint renderbuffer);
-	bool bindVertexArray(GLuint array);
+	void bindVertexArray(GLuint array);
 	void bindGenericUniformBuffer(GLuint buffer);
 	void bindIndexedUniformBuffer(GLuint buffer, GLuint index, GLintptr offset, GLsizeiptr size);
 	void bindGenericTransformFeedbackBuffer(GLuint buffer);