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

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

@@ -3,7 +3,6 @@ public class BaseClass {
     public final method getFromClass(p0: java.lang.Object): java.lang.Object
 }
 
-
 public final class Class {
     public final static field C: Class.C
     private static field p: int
@@ -11,7 +10,6 @@ public final class Class {
     public method <init>(): void
 }
 
-
 public final static class Class/C {
     inner class Class/C
     private method <init>(): void
@@ -28,21 +26,18 @@ public final static class Class/C {
     public final method setP(p0: int): void
 }
 
-
 public interface I {
     inner class I/DefaultImpls
     public abstract method fromInterface(p0: java.lang.Object): java.lang.Object
     public abstract method genericFromSuper(p0: java.lang.Object): java.lang.Object
 }
 
-
 public final class I/DefaultImpls {
     inner class I/DefaultImpls
     public static method fromInterface(p0: I, p1: java.lang.Object): java.lang.Object
     public static method genericFromSuper(p0: I, p1: java.lang.Object): java.lang.Object
 }
 
-
 public final class UseImportedMemberFromCompanionKt {
     public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
 }