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

compiler/testData/codegen/light-analysis/objects/initializationOrder.txt

@@ -5,7 +5,6 @@ public final class A {
     public method <init>(): void
 }
 
-
 public final static class A/Companion {
     inner class A/Companion
     private method <init>(): void
@@ -14,7 +13,6 @@ public final static class A/Companion {
     public final method setZ(@org.jetbrains.annotations.NotNull p0: java.lang.String): void
 }
 
-
 public final class InitializationOrderKt {
     private static @org.jetbrains.annotations.NotNull field result: java.lang.String
     public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String