Remove KotlinSignature from tests, spec, delete tests with errors

compiler/testData/loadJava/compiledJava/kotlinSignature/ConstructorWithSeveralParams.java

@@ -1,10 +1,8 @@
 package test;
 
 import java.util.*;
-import jet.runtime.typeinfo.KotlinSignature;
 
 public class ConstructorWithSeveralParams {
-    @KotlinSignature("fun ConstructorWithSeveralParams(integer : Int, intField : Int, collection: ArrayList<String>)")
     public ConstructorWithSeveralParams(Integer integer, int intBasic, ArrayList<String> collection) {
     }
 }