Minor: remove braces is now applicable for the whole loop or when entry

idea/testData/intentions/removeBraces/whenSimpleOutsideBlock.kt

@@ -0,0 +1,7 @@
+fun foo() {
+    when (1) {
+        else<caret> -> {
+            foo()
+        }
+    }
+}

idea/testData/intentions/removeBraces/whenSimpleOutsideBlock.kt.after

@@ -0,0 +1,5 @@
+fun foo() {
+    when (1) {
+        else -> foo()
+    }
+}

idea/testData/intentions/removeBraces/whileOutsideBlock.kt

@@ -0,0 +1,7 @@
+fun <T> doSomething(a: T) {}
+
+fun foo() {
+    <caret>while (true) {
+        doSomething("test")
+    }
+}

idea/testData/intentions/removeBraces/whileOutsideBlock.kt.after

@@ -0,0 +1,5 @@
+fun <T> doSomething(a: T) {}
+
+fun foo() {
+    while (true) doSomething("test")
+}