Misc: Use TODO() consistently in implementation stubs

#KT-13589 Fixed

idea/testData/codeInsight/overrideImplement/functionProperty.kt.after

@@ -6,7 +6,7 @@ interface A {
 fun some() : A {
     return object : A {
         override val method: () -> Unit?
-            get() = <selection><caret>throw UnsupportedOperationException()</selection>
+            get() = <selection><caret>TODO("not implemented")</selection> //To change initializer of created properties use File | Settings | File Templates.
     }
 }
 

idea/testData/codeInsight/overrideImplement/overrideExtensionProperty.kt.after

@@ -4,5 +4,5 @@ interface A {
 
 class B : A {
     override val String.prop: Int
-        get() = <selection><caret>throw UnsupportedOperationException()</selection>
+        get() = <selection><caret>TODO("not implemented")</selection> //To change initializer of created properties use File | Settings | File Templates.
 }

idea/testData/codeInsight/overrideImplement/overrideMutableExtensionProperty.kt.after

@@ -4,7 +4,7 @@ interface A {
 
 class B : A {
     override var Int.foo: Double
-        get() = <selection><caret>throw UnsupportedOperationException()</selection>
+        get() = <selection><caret>TODO("not implemented")</selection> //To change initializer of created properties use File | Settings | File Templates.
         set(value) {
         }
 }

idea/testData/codeInsight/overrideImplement/overridePrimitiveProperty.kt.after

@@ -11,19 +11,19 @@ interface T {
 
 class C : T {
     override val a1: Byte
-        get() = <selection><caret>throw UnsupportedOperationException()</selection>
+        get() = <selection><caret>TODO("not implemented")</selection> //To change initializer of created properties use File | Settings | File Templates.
     override val a2: Short
-        get() = throw UnsupportedOperationException()
+        get() = TODO("not implemented") //To change initializer of created properties use File | Settings | File Templates.
     override val a3: Int
-        get() = throw UnsupportedOperationException()
+        get() = TODO("not implemented") //To change initializer of created properties use File | Settings | File Templates.
     override val a4: Long
-        get() = throw UnsupportedOperationException()
+        get() = TODO("not implemented") //To change initializer of created properties use File | Settings | File Templates.
     override val a5: Float
-        get() = throw UnsupportedOperationException()
+        get() = TODO("not implemented") //To change initializer of created properties use File | Settings | File Templates.
     override val a6: Double
-        get() = throw UnsupportedOperationException()
+        get() = TODO("not implemented") //To change initializer of created properties use File | Settings | File Templates.
     override val a7: Char
-        get() = throw UnsupportedOperationException()
+        get() = TODO("not implemented") //To change initializer of created properties use File | Settings | File Templates.
     override val a8: Boolean
-        get() = throw UnsupportedOperationException()
+        get() = TODO("not implemented") //To change initializer of created properties use File | Settings | File Templates.
 }

idea/testData/codeInsight/overrideImplement/property.kt.after

@@ -4,5 +4,5 @@ interface T {
 
 class GC() : T {
     override val v: Int
-        get() = <selection><caret>throw UnsupportedOperationException()</selection>
+        get() = <selection><caret>TODO("not implemented")</selection> //To change initializer of created properties use File | Settings | File Templates.
 }

idea/testData/codeInsight/overrideImplement/respectCaretPosition.kt.after

@@ -10,7 +10,7 @@ class SomeTest : Test {
     }
 
     override val testProp: Int
-        get() = throw UnsupportedOperationException()
+        get() = TODO("not implemented") //To change initializer of created properties use File | Settings | File Templates.
 
     /**
      * test