Fix -Wdocumentation warning (@returns used in void function). NFCI.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@368693 91177308-0d34-0410-b5e6-96231b3b80d8

tools/llvm-reduce/deltas/ReduceFunctions.cpp

@@ -16,7 +16,6 @@
 
 /// Removes all the Defined Functions (as well as their calls)
 /// that aren't inside any of the desired Chunks.
-/// @returns the Module stripped of out-of-chunk functions
 static void extractFunctionsFromModule(const std::vector<Chunk> &ChunksToKeep,
                                        Module *Program) {
   // Get functions inside desired chunks
@@ -77,4 +76,4 @@ void llvm::reduceFunctionsDeltaPass(TestRunner &Test) {
   unsigned Functions = countDefinedFunctions(Test.getProgram());
   runDeltaPass(Test, Functions, extractFunctionsFromModule);
   outs() << "----------------------------\n";
-}
+}