Zishan remove image (#1767)

* Added new contribution

* Create contribution16.json

added the json file to link my project to showcase

* screenshot of how my p5.js sketch of space invaders looks like!

* Delete content/videos/code/7-arrays/3-arrays-objects/showcase/contribution-1729502641.json

removing array submission

* removing extra image file

* remove dupe image

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Co-authored-by: zishan ansari <[email protected]>
Co-authored-by: 0xZ15H4N <[email protected]>
Co-authored-by: Francis Turmel <[email protected]>
Co-authored-by: Francis Turmel <[email protected]>