message: Remove old emscripten workaround from GL backend.
  This was put in as a workaround for I made a fix to emscripten
  itself (yay open source) in July. So, this workaround is no longer
  necessary.
  Verified with the rigged figure model.
diff: @@ -2380,13 +2380,6 @@ void OpenGLDriver::setRenderPrimitiveBuffer(Handle<HwRenderPrimitive> rph,
  uint8_t bi = attribute.buffer;
  gl.bindBuffer(GL_ARRAY_BUFFER, eb->gl.buffers[bi]);
  if (UTILS_UNLIKELY(attribute.flags & Attribute::FLAG_INTEGER_TARGET)) {
  -
  - // Emscripten regressed at the following PR so we work around it for now.
  - // https://github.com/emscripten-core/emscripten/pull/11225
  - #ifdef __EMSCRIPTEN__
  - EM_ASM_INT({ GL.currArrayBuffer = GLctx.currentArrayBufferBinding; });
  - #endif
  -
  glVertexAttribIPointer(GLuint(i),
  getComponentCount(attribute.type),
  getComponentType(attribute.type),
  