Convert 'simplify when' from intention to inspection

Related to KT-20492

idea/testData/inspectionsLocal/simplifyWhenWithBooleanConstantCondition/.inspection

@@ -0,0 +1 @@
+org.jetbrains.kotlin.idea.inspections.SimplifyWhenWithBooleanConstantConditionInspection

idea/testData/inspectionsLocal/simplifyWhenWithBooleanConstantCondition/hasSubject.kt

@@ -1,4 +1,4 @@
-// IS_APPLICABLE: false
+// PROBLEM: none
 // WITH_RUNTIME
 fun test(b: Boolean) {
     <caret>when(b) {

idea/testData/inspectionsLocal/simplifyWhenWithBooleanConstantCondition/noBoolean.kt

@@ -1,4 +1,4 @@
-// IS_APPLICABLE: false
+// PROBLEM: none
 // WITH_RUNTIME
 fun test(i: Int) {
     <caret>when {

idea/testData/inspectionsLocal/simplifyWhenWithBooleanConstantCondition/trueIsTop3.kt

@@ -1,6 +1,6 @@
 // WITH_RUNTIME
 fun test() {
-    when<caret> {
+    wh<caret>en {
         true -> {
             println(1)
         }

idea/testData/intentions/simplifyWhenWithBooleanConstantCondition/.intention

@@ -1 +0,0 @@
-org.jetbrains.kotlin.idea.intentions.SimplifyWhenWithBooleanConstantConditionIntention