Misc: Configure IDEA Ultimate dependencies

compiler/tests/org/jetbrains/kotlin/cfg/AbstractPseudocodeTest.java

@@ -44,10 +44,6 @@ import java.util.List;
 import java.util.Set;
 
 public abstract class AbstractPseudocodeTest extends KotlinTestWithEnvironment {
-    static {
-        System.setProperty("idea.platform.prefix", "Idea");
-    }
-
     @Override
     protected KotlinCoreEnvironment createEnvironment() {
         return createEnvironmentWithMockJdk(ConfigurationKind.JDK_ONLY);

compiler/tests/org/jetbrains/kotlin/parsing/AbstractParsingTest.java

@@ -38,10 +38,6 @@ import java.lang.reflect.Method;
 import java.lang.reflect.Modifier;
 
 public abstract class AbstractParsingTest extends ParsingTestCase {
-    static {
-        System.setProperty("idea.platform.prefix", "Idea");
-    }
-
     @Override
     protected void setUp() throws Exception {
         super.setUp();