Append newline to EOF for .txt test data files

Reverts and fixes 102f0d3

compiler/testData/diagnostics/tests/multimodule/duplicateClass/collectionMethodStub.txt

@@ -549,4 +549,4 @@ package kotlin {
     public final annotation class tailRecursive : kotlin.Annotation {
         // -- Module: <built-ins lazy module> --
     }
-}
+}

compiler/testData/diagnostics/tests/multimodule/duplicateClass/differentGenericArguments.txt

@@ -54,4 +54,4 @@ package p {
     public final class M1 {
         // -- Module: <m1> --
     }
-}
+}

compiler/testData/diagnostics/tests/multimodule/duplicateClass/differentGenericArgumentsReversed.txt

@@ -54,4 +54,4 @@ package p {
     public final class M1 {
         // -- Module: <m1> --
     }
-}
+}

compiler/testData/diagnostics/tests/multimodule/duplicateClass/duplicateClass.txt

@@ -55,4 +55,4 @@ package p {
     public final class B {
         // -- Module: <m1> --
     }
-}
+}

compiler/testData/diagnostics/tests/multimodule/duplicateClass/duplicateNestedClasses.txt

@@ -184,4 +184,4 @@ package p {
     public final class M1 {
         // -- Module: <m1> --
     }
-}
+}

compiler/testData/diagnostics/tests/multimodule/duplicateClass/duplicateSuperClass.txt

@@ -63,4 +63,4 @@ package p {
     public final class M1 {
         // -- Module: <m1> --
     }
-}
+}

compiler/testData/diagnostics/tests/multimodule/duplicateClass/genericArgumentNumberMismatch.txt

@@ -54,4 +54,4 @@ package p {
     public final class M1 {
         // -- Module: <m1> --
     }
-}
+}

compiler/testData/diagnostics/tests/multimodule/duplicateClass/genericSuperClass.txt

@@ -107,4 +107,4 @@ package p {
     public final class M1 {
         // -- Module: <m1> --
     }
-}
+}

compiler/testData/diagnostics/tests/multimodule/duplicateClass/inTheSameModuleWithUsage.txt

@@ -41,4 +41,4 @@ package p {
     public final class B {
         // -- Module: <m1> --
     }
-}
+}

compiler/testData/diagnostics/tests/multimodule/duplicateClass/inTheSameModuleWithUsageNoTypeAnnotation.txt

@@ -41,4 +41,4 @@ package p {
     public final class B {
         // -- Module: <m1> --
     }
-}
+}

compiler/testData/diagnostics/tests/multimodule/duplicateClass/members.txt

@@ -66,4 +66,4 @@ package p {
     public final class M2 {
         // -- Module: <m2> --
     }
-}
+}

compiler/testData/diagnostics/tests/multimodule/duplicateClass/sameClassNameDifferentPackages.txt

@@ -41,4 +41,4 @@ package p {
     public final class B {
         // -- Module: <m1> --
     }
-}
+}

compiler/testData/diagnostics/tests/multimodule/duplicateClass/sameGenericArguments.txt

@@ -54,4 +54,4 @@ package p {
     public final class M1 {
         // -- Module: <m1> --
     }
-}
+}