Revert "[SLC] Support generics and ignore whitespace in KtSuperTypeList.findEntry"

This reverts commit e77f5c7764.

compiler/testData/asJava/lightClasses/lightClassByPsi/unresolvedGenericSupertypes.java

@@ -1,7 +0,0 @@
-public final class C1 /* C1*/ extends Super<T, U> implements Intf1<A, B>, Intf2<X, Y<Z>> {
-  public  C1();//  .ctor()
-}
-
-public final class C2 /* C2*/ extends com.example.Super<T, U> implements com.example.Intf1<A, B>, com.example.Intf2<X, Y<Z>> {
-  public  C2();//  .ctor()
-}

compiler/testData/asJava/lightClasses/lightClassByPsi/unresolvedGenericSupertypes.kt

@@ -1,9 +0,0 @@
-public class C1: Intf1 < A , B >, Super < T , U >(42),
-    Intf2 < X ,
-            Y < Z >>
-
-public class C2: com . example . Intf1 < A , B >, com . example . Super < T , U >(42),
-    com . example . Intf2 < X ,
-            Y < Z >>
-
-// COMPILATION_ERRORS