pcie_i2c: drop unused util header

Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: I743e25e5791f3bae995439c732bd0e53a645be14
diff --git a/pcie_i2c.cpp b/pcie_i2c.cpp
index 2ddfd06..625c063 100644
--- a/pcie_i2c.cpp
+++ b/pcie_i2c.cpp
@@ -17,7 +17,6 @@
 #include "pcie_i2c.hpp"
 
 #include "main.hpp"
-#include "util.hpp"
 
 #include <cstdint>
 #include <cstring>