[clang] [NFC][analyzer] Eliminate NodeBuilder from ExprEngine visit methods and from their utility methods (PR #212186)

[Donát Nagy via cfe-commits]

================
@@ -3688,12 +3683,15 @@ void ExprEngine::evalLocation(ExplodedNodeSet &Dst,
     // "Variable 'p' initialized to a null pointer value"
 
     static SimpleProgramPointTag tag(TagProviderName, "Location");
-    Bldr.generateNode(NodeEx, Pred, state, &tag);
+    const ProgramPoint &L = ProgramPoint::getProgramPoint(
+        NodeEx, ProgramPoint::PostStmtKind, Pred->getStackFrame(), &tag);
----------------
NagyDonat wrote:

```suggestion
    PostStmt L(NodeEx, Pred->getStackFrame(), &tag);
```
As above, no need for `getProgramPoint`.

https://github.com/llvm/llvm-project/pull/212186