Revert "Fix ISE when inferring type of a property that delegates to itself"

This reverts commit 1a03d5c93e.

The reason is that original change seems to be breaking (see KT-44137).

^KT-44137 Relates
^KT-37796 Open

compiler/frontend/src/org/jetbrains/kotlin/resolve/DelegatedPropertyResolver.kt

@@ -545,12 +545,7 @@ class DelegatedPropertyResolver(
             traceToResolveDelegatedProperty, false, delegateExpression, ContextDependency.DEPENDENT
         )
 
-        if (delegateTypeInfo.type == null) {
-            traceToResolveDelegatedProperty.commit()
-            return null
-        }
-
-        var delegateType = delegateTypeInfo.type
+        var delegateType = delegateTypeInfo.type ?: return null
         var delegateDataFlow = delegateTypeInfo.dataFlowInfo
 
         val delegateTypeConstructor = delegateType.constructor