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

compiler/testData/codegen/light-analysis/arrays/multiDecl/MultiDeclForComponentMemberExtensions.txt

@@ -4,7 +4,6 @@ public final class C {
     public final method getI(): int
 }
 
-
 public final class M {
     public method <init>(): void
     public final method component1(@org.jetbrains.annotations.NotNull p0: C): int
@@ -12,7 +11,6 @@ public final class M {
     public final @org.jetbrains.annotations.NotNull method doTest(@org.jetbrains.annotations.NotNull p0: C[]): java.lang.String
 }
 
-
 public final class MultiDeclForComponentMemberExtensionsKt {
     public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
 }