[flang] Use llvm::any_of (NFC)

Author: kazutakahirata

flang/lib/Semantics/data-to-inits.cpp

@@ -773,8 +773,7 @@ static bool CombineEquivalencedInitialization(
     return false;
   }
   // If the items are in static storage, save the final initialization.
-  if (std::find_if(associated.begin(), associated.end(),
-          [](SymbolRef ref) { return IsSaved(*ref); }) != associated.end()) {
+  if (llvm::any_of(associated, [](SymbolRef ref) { return IsSaved(*ref); })) {
     // Create a compiler array temp that overlaps all the items.
     SourceName name{exprAnalyzer.context().GetTempName(scope)};
     auto emplaced{