Depends on what your readers like. The best thing to do is put up an article asking for reader feedback (instead of getting feedback from people here who may not even know about your site). If your readers only like the gaming stuff anyways, by all means, get rid of tech. But if a good amount of readers also like the tech, you need to consider that they may not continue reading and visiting your site if you stop writing tech articles.
My tech articles are yes, what I like. I'm not a pure 100% gaming or tech blog writer. I am writing about both that I think should be seen and I think my audience enjoys what I write.