[llvm-exegesis] Remove unnecessary includes

Left some includes around from debugging the last patch that I forgot to
take out, so here's the patch taking them out.

diff --git a/llvm/tools/llvm-exegesis/lib/BenchmarkRunner.cpp b/llvm/tools/llvm-exegesis/lib/BenchmarkRunner.cpp
index ba91f5d..8197cbd 100644 (file)
--- a/llvm/tools/llvm-exegesis/lib/BenchmarkRunner.cpp
+++ b/llvm/tools/llvm-exegesis/lib/BenchmarkRunner.cpp
@@ -7,8 +7,6 @@
 //===----------------------------------------------------------------------===//
 
 #include <array>
-#include <cerrno>
-#include <iostream>
 #include <memory>
 #include <string>