Remove rest of the comment that is no longer true after r219527.

llvm-svn: 219528

clang/lib/Driver/ToolChains.cpp

@@ -980,10 +980,6 @@ void Darwin::addMinVersionArgs(const llvm::opt::ArgList &Args,
                                llvm::opt::ArgStringList &CmdArgs) const {
   VersionTuple TargetVersion = getTargetVersion();
 
-  // If we had an explicit -mios-simulator-version-min argument, honor that,
-  // otherwise use the traditional deployment targets. We can't just check the
-  // is-sim attribute because existing code follows this path, and the linker
-  // may not handle the argument.
   if (isTargetIOSSimulator())
     CmdArgs.push_back("-ios_simulator_version_min");
   else if (isTargetIOSBased())