Update instructions.md

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 # Challenge 6 — Query for other simple types
 `Call` is one of the many types that are available in CodeQL for Python. Try to write a query for showing all function definitions.
-Check the sylwia-budzynska/codeql-zero-to-hero repository challenge 6 for the solution.
-In CodeQL, we can often achieve the same results in many different ways, so don’t worry if your solution is different than the provided solution.
-
-Check that you have the intended results.
+In CodeQL, we can often achieve the same results in many different ways, so don’t worry if your solution is different than the provided solution in this folder.