Simplified the solution for 'Summary 1 ex 8'

as suggested in https://github.com/BruceEckel/AtomicKotlinExamples/issues/19

Programming Basics/Summary 1/Exercise 8/src/Task.kt

@@ -6,11 +6,9 @@ fun reverseDecimal(number: Int): Int {
   var result = 0
 
   while (worker > 0) {
+    result *= 10
     result += worker % 10
     worker /= 10
-    if (worker != 0) {
-      result *= 10
-    }
   }
   return result
 }

Programming Basics/Summary 1/Exercise 8/task-info.yaml

@@ -4,7 +4,7 @@ files:
   visible: true
   placeholders:
   - offset: 89
-    length: 171
+    length: 140
     placeholder_text: TODO()
 - name: test/Tests.kt
   visible: false