For each parameter unused: do not report with explicit parameter

In this case we are duplicating compiler warning.
Related to KT-22068

idea/src/org/jetbrains/kotlin/idea/inspections/ForEachParameterNotUsedInspection.kt

@@ -34,6 +34,7 @@ class ForEachParameterNotUsedInspection : AbstractKotlinInspection() {
             when (it.getCallableDescriptor()?.fqNameOrNull()) {
                 COLLECTIONS_FOREACH_FQNAME, SEQUENCES_FOREACH_FQNAME -> {
                     val lambda = it.lambdaArguments.singleOrNull()?.getLambdaExpression() ?: return@callExpressionVisitor
+                    if (lambda.functionLiteral.arrow != null) return@callExpressionVisitor
                     val descriptor = lambda.analyze()[BindingContext.FUNCTION, lambda.functionLiteral] ?: return@callExpressionVisitor
                     val iterableParameter = descriptor.valueParameters.singleOrNull() ?: return@callExpressionVisitor
 

idea/testData/inspections/forEachParameterNotUsed/inspectionData/expected.xml

@@ -7,14 +7,6 @@
     <problem_class severity="WARNING" attribute_key="WARNING_ATTRIBUTES">Iterated elements are not used in forEach</problem_class>
     <description>Loop parameter 'it' is unused</description>
   </problem>
-  <problem>
-    <file>test.kt</file>
-    <line>4</line>
-    <module>light_idea_test_case</module>
-    <entry_point TYPE="file" FQNAME="temp:///src/test.kt" />
-    <problem_class severity="WARNING" attribute_key="WARNING_ATTRIBUTES">Iterated elements are not used in forEach</problem_class>
-    <description>Loop parameter 'item' is unused</description>
-  </problem>
   <problem>
     <file>test.kt</file>
     <line>7</line>