Jvm Codegen: do not throw on malformed delegation to a type parameter

Fix exception on light class building

See KT-15931

idea/testData/checker/regression/IncompleteClassDelegation.kt

@@ -0,0 +1,15 @@
+package c
+
+class C<T>: <error>T</error> by <error>{
+}</error>
+
+class D<T>: <error>T</error> by<EOLError></EOLError>
+
+class G<T> : <error>T</error> by <error>{
+
+    val c = 3
+}</error>
+
+interface I
+
+class A<T : I>(a: T) : <error>T</error> by a