os: remove unused func itox

It was added by CL 288792 but was never used.

Change-Id: I0c21237c0c32ee5df2ebe99b6ecd8831f9c28649
Reviewed-on: https://go-review.googlesource.com/c/go/+/518316
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>

diff --git a/src/os/str.go b/src/os/str.go
index 242c945caf5fdffc4c773d798ad013e7eee59617..2089b548e624e5ad4a6449fa1ba83e2e04e74109 100644 (file)
--- a/src/os/str.go
+++ b/src/os/str.go
@@ -6,14 +6,6 @@
 
 package os
 
-// itox converts val (an int) to a hexadecimal string.
-func itox(val int) string {
-       if val < 0 {
-               return "-" + uitox(uint(-val))
-       }
-       return uitox(uint(val))
-}
-
 const hex = "0123456789abcdef"
 
 // uitox converts val (a uint) to a hexadecimal string.