I meet a lot of first-time entrepreneurs who think that a company is some sort of magic thing that will give them credibility. In reality, it usually just costs you money in many cases.
I've learned that the most important thing is building a product, and that the actual incorporation can be done later. You technically don't even need a real corporation until much later in the process than you would expect (I have friends who run successful businesses as sole proprietorships).
As for what you can do now, IANAL, but having been in a similar situation myself (startup died and I was left with a C-Corp), you have a bunch of options. You can dissolve it right now, or hold on to it for a while to see if something else takes off. There's a certain minimum amount that having a company will cost you in taxes and fees (about a grand a year if you're in CA, and likely less if you're elsewhere). For a Delaware Corp that's actually elsewhere, you need to pay for a registered agent, which is like $200 a year. You need to file some report and pay some tax to Delaware as well, but the time/money involved with that requirement is pretty minimal.
If you want to dissolve it yourself, it isn't that hard. There are a bunch of forms you need to fill out, but it isn't all that difficult to do so (you can find them online). You could just let it die (if you don't pay the taxes/fees, it will eventually get shut down).