Append newline to EOF for .txt test data files

Reverts and fixes 102f0d3

compiler/testData/diagnostics/tests/recovery/absentLeftHandSide.txt

@@ -3,4 +3,4 @@ package
 internal fun composite(): kotlin.Unit
 internal fun html(): kotlin.Unit
 internal fun html1(): kotlin.Unit
-internal fun import(): kotlin.Unit
+internal fun import(): kotlin.Unit

compiler/testData/diagnostics/tests/recovery/namelessInJava.txt

@@ -7,4 +7,4 @@ internal final class K : p.Nameless {
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
-}
+}

compiler/testData/diagnostics/tests/recovery/namelessMembers.txt

@@ -43,4 +43,4 @@ internal final class C2 {
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
-}
+}

compiler/testData/diagnostics/tests/recovery/namelessToplevelDeclarations.txt

@@ -49,4 +49,4 @@ internal object <no name provided> {
         public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
         public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
     }
-}
+}