Implement delete instruction

karaokatalog/deduplicate/instructions/DeleteInstruction.py

@@ -1,11 +1,15 @@
 from dataclasses import dataclass
+from pathlib import Path
 
 from karaokatalog.deduplicate.instructions.Instruction import Instruction
 
 
 @dataclass(frozen=True)
 class DeleteInstruction(Instruction):
-    # TODO Add file to delete
+    """
+    Deletes the given path (might point to a file, a folder or a link), no questions asked.
+    """
+    path_to_delete: Path
 
     def __call__(self) -> None:
-        pass  # TODO Implement
+        self.path_to_delete.unlink()