Convert 'simplify when' from intention to inspection

Related to KT-20492

idea/testData/inspectionsLocal/simplifyWhenWithBooleanConstantCondition/falseAndElse2.kt

@@ -0,0 +1,13 @@
+// WITH_RUNTIME
+fun test() {
+    val x = <caret>when {
+        false -> {
+            println(1)
+            1
+        }
+        else -> {
+            println(2)
+            2
+        }
+    }
+}