Remove unused return value.

Bug b/17893069

Change-Id: I78d582455192456625523d7bf2bdc5d16c88d68e
Reviewed-on: https://swiftshader-review.googlesource.com/9814
Reviewed-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>
Tested-by: Nicolas Capens <capn@google.com>
diff --git a/src/Reactor/LLVMReactor.cpp b/src/Reactor/LLVMReactor.cpp
index bfcf2ff..dda5c04 100644
--- a/src/Reactor/LLVMReactor.cpp
+++ b/src/Reactor/LLVMReactor.cpp
@@ -6370,12 +6370,10 @@
 		Nucleus::createUnreachable();
 	}
 
-	bool branch(RValue<Bool> cmp, BasicBlock *bodyBB, BasicBlock *endBB)
+	void branch(RValue<Bool> cmp, BasicBlock *bodyBB, BasicBlock *endBB)
 	{
 		Nucleus::createCondBr(cmp.value, bodyBB, endBB);
 		Nucleus::setInsertBlock(bodyBB);
-
-		return true;
 	}
 
 	RValue<Long> Ticks()