Revert "[lld-macho][nfc] minor clean up, follow up to D98559"

This reverts commit 1bc33eb6a3.
tests failed on windows

lld/MachO/DriverUtils.cpp

@@ -284,8 +284,8 @@ void macho::DependencyTracker::write(llvm::StringRef version,
   inputNames.reserve(inputs.size());
   for (InputFile *f : inputs)
     inputNames.push_back(f->getName());
-  llvm::sort(inputNames);
-
+  llvm::sort(inputNames,
+             [](const StringRef &a, const StringRef &b) { return a < b; });
   for (const StringRef &in : inputNames)
     addDep(DepOpCode::Input, in);
 

lld/test/MachO/dependency-info.s

@@ -1,4 +1,7 @@
 # REQUIRES: x86
+## FIXME: Paths on windows have both `\` and '/', as a result, they are in a different
+## order when sorted. Maybe create a separate test for that?
+# UNSUPPORTED: system-windows
 #
 # RUN: rm -rf %t
 # RUN: split-file %s %t