[llvm] [BOLT][NFC] Simplify getOrCreate/analyze/populateJumpTables (PR #132108)

[Maksim Panchenko via llvm-commits]

================
@@ -702,10 +697,8 @@ void BinaryContext::populateJumpTables() {
        ++JTI) {
     JumpTable *JT = JTI->second;
 
-    bool NonSimpleParent = false;
-    for (BinaryFunction *BF : JT->Parents)
-      NonSimpleParent |= !BF->isSimple();
-    if (NonSimpleParent)
+    auto isSimple = std::bind(&BinaryFunction::isSimple, std::placeholders::_1);
+    if (!llvm::all_of(JT->Parents, isSimple))
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maksfb wrote:

```suggestion
    if (!llvm::all_of(JT->Parents, std::mem_fn(&BinaryFunction::isSimple)))
```

https://github.com/llvm/llvm-project/pull/132108