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

compiler/testData/codegen/light-analysis/enum/kt1119.txt

@@ -7,7 +7,6 @@ public abstract enum class Direction {
     public static method values(): Direction[]
 }
 
-
 final static class Direction/NORTH {
     private final @org.jetbrains.annotations.NotNull field someSpecialValue: java.lang.String
     inner class Direction/NORTH
@@ -16,7 +15,6 @@ final static class Direction/NORTH {
     public final @org.jetbrains.annotations.NotNull method getSomeSpecialValue(): java.lang.String
 }
 
-
 public final class Kt1119Kt {
     public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
 }