Remove everything

README.md

exercises/exercise-1.md

exercises/exercise-2.md

exercises/exercise-3.md

exercises/exercise-4.md

exercises/exercise-4.pdf

exercises/exercise-5.md

exercises/exercise-5.pdf

exercises/images/2-1.png

exercises/images/2-2.png

exercises/solutions-1.md

exercises/solutions-2.md

exercises/solutions-3.md

exercises/solutions-4/.gitignore

exercises/solutions-4/.scalafmt.conf

exercises/solutions-4/Readme.md

exercises/solutions-4/build.sbt

exercises/solutions-4/project/plugins.sbt

exercises/solutions-4/src/main/scala/Problem1.scala

exercises/solutions-4/src/main/scala/Problem2.scala