KT-17497 related: introduce fix for REDUNDANT_ELSE_IN_WHEN

idea/testData/quickfix/when/removeRedundantElse.kt

@@ -0,0 +1,9 @@
+// "Remove else branch" "true"
+
+fun foo(b: Boolean) {
+    when (b) {
+        true -> return
+        false -> {}
+        <caret>else -> error()
+    }
+}

idea/testData/quickfix/when/removeRedundantElse.kt.after

@@ -0,0 +1,8 @@
+// "Remove else branch" "true"
+
+fun foo(b: Boolean) {
+    when (b) {
+        true -> return
+        false -> {}
+    }
+}