fix: removes cache files that dont work on ci

assignment0/output/bunny.exr

assignment0/output/bunny.png

assignment1/cache/.gitkeep

...22c4c7973388144b22c4c7973388144b22c4c7973388144b.objcache

...48340eb0ce6513b348340eb0ce6513b348340eb0ce6513b3.objcache

...491e2ea5f31ae84b491e2ea5f31ae84b491e2ea5f31ae84b.objcache

...60d30c52f9f234e860d30c52f9f234e860d30c52f9f234e8.objcache

...74ec18284a34482074ec18284a34482074ec18284a344820.objcache

...78ae5133bee983ab78ae5133bee983ab78ae5133bee983ab.objcache

...790931de8b3af2b8790931de8b3af2b8790931de8b3af2b8.objcache

...7cc692b195028fe57cc692b195028fe57cc692b195028fe5.objcache

...7ecf78df6f66922d7ecf78df6f66922d7ecf78df6f66922d.objcache

...80cc87ca8a88d2e580cc87ca8a88d2e580cc87ca8a88d2e5.objcache

...86e6ce46bd32d6a986e6ce46bd32d6a986e6ce46bd32d6a9.objcache

...966ff1ca7031caa4966ff1ca7031caa4966ff1ca7031caa4.objcache

...96945785cf0768b996945785cf0768b996945785cf0768b9.objcache

...ab67a3adde29075aab67a3adde29075aab67a3adde29075a.objcache

...c393006d32953385c393006d32953385c393006d32953385.objcache

...cd6e4d3565fef1b3cd6e4d3565fef1b3cd6e4d3565fef1b3.objcache

...fb8a70c3c525f0e2fb8a70c3c525f0e2fb8a70c3c525f0e2.objcache