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

compiler/testData/codegen/light-analysis/annotations/nestedClassPropertyAsParameter.txt

@@ -3,7 +3,6 @@ public final class A {
     public method <init>(): void
 }
 
-
 public final static class A/B {
     public final static field Companion: A.B.Companion
     public final static field i: int
@@ -12,7 +11,6 @@ public final static class A/B {
     public method <init>(): void
 }
 
-
 public final static class A/B/Companion {
     inner class A/B
     inner class A/B/Companion
@@ -30,7 +28,6 @@ public final class MyClass {
     public method <init>(): void
 }
 
-
 public final class NestedClassPropertyAsParameterKt {
     public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
 }