chore: add ‹no-op› comments instead of ‹TODO›

Signed-off-by: Matej Focko <me@mfocko.xyz>

src/Day02.kt

@@ -8,7 +8,7 @@ class Day02(
             }.toList()
 
     override fun precompute() {
-        // [TODO] Implement precomputation
+        // no-op
     }
 
     private fun isCorrect(report: List<Int>): Boolean {

src/Day03.kt

@@ -38,7 +38,8 @@ class Day03(
                 Instruction(type, value)
             }.toList()
 
-    override fun precompute() { // no-op
+    override fun precompute() {
+        // no-op
     }
 
     override fun part1(): Int =