Light analysis tests: do not render empty lines between classes and in the beginning

compiler/testData/codegen/light-analysis/reflection/modifiers/classVisibility.txt

@@ -2,29 +2,24 @@ public final class ClassVisibilityKt {
     public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
 }
 
-
 public final class DefaultVisibilityClass {
     public method <init>(): void
 }
 
-
 public final class InternalClass {
     public method <init>(): void
 }
 
-
 final class PrivateClass {
     public method <init>(): void
 }
 
-
 public final class PublicClass {
     inner class PublicClass/ProtectedClass
     public method <init>(): void
     public final @org.jetbrains.annotations.NotNull method getProtectedClass(): kotlin.reflect.KClass
 }
 
-
 protected final static class PublicClass/ProtectedClass {
     inner class PublicClass/ProtectedClass
     public method <init>(): void