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

compiler/testData/codegen/light-analysis/reflection/noReflectAtRuntime/methodsFromAny/callableReferences.txt

@@ -4,7 +4,6 @@ public final class CallableReferencesKt {
     public final static method checkToString(@org.jetbrains.annotations.NotNull p0: kotlin.reflect.KCallable, @org.jetbrains.annotations.NotNull p1: java.lang.String): void
 }
 
-
 public final class M {
     private final field bar: int
     public method <init>(): void

compiler/testData/codegen/light-analysis/reflection/noReflectAtRuntime/methodsFromAny/classReference.txt

@@ -3,7 +3,6 @@ public final class ClassReferenceKt {
     public final static method check(@org.jetbrains.annotations.NotNull p0: kotlin.reflect.KClass): void
 }
 
-
 public final class M {
     public method <init>(): void
 }