Misc: Use TODO() consistently in implementation stubs

#KT-13589 Fixed

idea/testData/intentions/implementAbstractMember/property/enumClass.kt.after

@@ -8,5 +8,5 @@ enum class E : T<Int> {
     A, B, C;
 
     override val foo: Int
-        get() = <caret><selection>throw UnsupportedOperationException()</selection>
+        get() = <caret><selection>TODO("not implemented")</selection> //To change initializer of created properties use File | Settings | File Templates.
 }

idea/testData/intentions/implementAbstractMember/property/enumClassWithSemicolon.kt.after

@@ -8,5 +8,5 @@ enum class E : T<Int> {
     A, B, C;
 
     override val foo: Int
-        get() = <caret><selection>throw UnsupportedOperationException()</selection>
+        get() = <caret><selection>TODO("not implemented")</selection> //To change initializer of created properties use File | Settings | File Templates.
 }

idea/testData/intentions/implementAbstractMember/property/enumClassWithSemicolonAndMembers.kt.after

@@ -8,7 +8,7 @@ enum class E : T<Int> {
     A, B, C;
 
     override val foo: Int
-        get() = <caret><selection>throw UnsupportedOperationException()</selection>
+        get() = <caret><selection>TODO("not implemented")</selection> //To change initializer of created properties use File | Settings | File Templates.
 
     val bar = 1
 

idea/testData/intentions/implementAbstractMember/property/enumEntries.kt.after

@@ -3,13 +3,13 @@
 enum class E {
     A {
         override val foo: Int
-            get() = throw UnsupportedOperationException()
+            get() = TODO("not implemented") //To change initializer of created properties use File | Settings | File Templates.
     }, B {
         override val foo: Int
-            get() = throw UnsupportedOperationException()
+            get() = TODO("not implemented") //To change initializer of created properties use File | Settings | File Templates.
     }, C {
         override val foo: Int
-            get() = <caret><selection>throw UnsupportedOperationException()</selection>
+            get() = TODO("not implemented") //To change initializer of created properties use File | Settings | File Templates.
     };
 
     abstract val foo: Int

idea/testData/intentions/implementAbstractMember/property/enumEntriesWithArgs.kt.after

@@ -3,13 +3,13 @@
 enum class E(n: Int) {
     A(1) {
         override val foo: Int
-            get() = throw UnsupportedOperationException()
+            get() = TODO("not implemented") //To change initializer of created properties use File | Settings | File Templates.
     }, B(2) {
         override val foo: Int
-            get() = throw UnsupportedOperationException()
+            get() = TODO("not implemented") //To change initializer of created properties use File | Settings | File Templates.
     }, C(3) {
         override val foo: Int
-            get() = <caret><selection>throw UnsupportedOperationException()</selection>
+            get() = <caret><selection>TODO("not implemented")</selection> //To change initializer of created properties use File | Settings | File Templates.
     };
 
     abstract val foo: Int

idea/testData/intentions/implementAbstractMember/property/implementAll.kt.after

@@ -6,13 +6,13 @@ interface T<X> {
 
 class U : T<String> {
     override val foo: String
-        get() = throw UnsupportedOperationException()
+        get() = TODO("not implemented") //To change initializer of created properties use File | Settings | File Templates.
 
 }
 
 class V : T<Int> {
     override val foo: Int
-        get() = <caret><selection>throw UnsupportedOperationException()</selection>
+        get() = <caret><selection>TODO("not implemented")</selection> //To change initializer of created properties use File | Settings | File Templates.
 
 }