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

compiler/testData/codegen/light-analysis/dataClasses/copy/constructorWithDefaultParam.txt

@@ -15,7 +15,6 @@ public final class A {
     public method toString(): java.lang.String
 }
 
-
 public final class ConstructorWithDefaultParamKt {
     public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
 }

compiler/testData/codegen/light-analysis/dataClasses/copy/copyInObjectNestedDataClass.txt

@@ -4,12 +4,10 @@ public final class Bar {
     public final @org.jetbrains.annotations.NotNull method getName(): java.lang.String
 }
 
-
 public final class CopyInObjectNestedDataClassKt {
     public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
 }
 
-
 public abstract class Foo {
     public method <init>(): void
     public abstract @org.jetbrains.annotations.NotNull method foo(): java.lang.String

compiler/testData/codegen/light-analysis/dataClasses/copy/kt12708.txt

@@ -3,7 +3,6 @@ public interface A {
     public abstract @org.jetbrains.annotations.NotNull method copy(p0: int): A
 }
 
-
 public final class B {
     private final field x: int
     public method <init>(p0: int): void
@@ -18,7 +17,6 @@ public final class B {
     public method toString(): java.lang.String
 }
 
-
 public final class Kt12708Kt {
     public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
 }

compiler/testData/codegen/light-analysis/dataClasses/copy/kt3033.txt

@@ -13,7 +13,6 @@ public final class A {
     public method toString(): java.lang.String
 }
 
-
 public final class Kt3033Kt {
     public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
 }

compiler/testData/codegen/light-analysis/dataClasses/copy/valInConstructorParams.txt

@@ -13,7 +13,6 @@ public final class A {
     public method toString(): java.lang.String
 }
 
-
 public final class ValInConstructorParamsKt {
     public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
 }

compiler/testData/codegen/light-analysis/dataClasses/copy/varInConstructorParams.txt

@@ -15,7 +15,6 @@ public final class A {
     public method toString(): java.lang.String
 }
 
-
 public final class VarInConstructorParamsKt {
     public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
 }

compiler/testData/codegen/light-analysis/dataClasses/copy/withGenericParameter.txt

@@ -10,14 +10,12 @@ public final class A {
     public method toString(): java.lang.String
 }
 
-
 public final class Foo {
     private final field a: java.lang.Object
     public method <init>(p0: java.lang.Object): void
     public final method getA(): java.lang.Object
 }
 
-
 public final class WithGenericParameterKt {
     public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
 }