windows: remove duplicate words from comments

Change-Id: I94748559cc75c052ad3b70f7db4ec330b8a7226d
GitHub-Last-Rev: 43926d3c989a3bb35c3a5d173db7b4a401175618
GitHub-Pull-Request: golang/sys#132
Reviewed-on: https://go-review.googlesource.com/c/sys/+/424474
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Run-TryBot: hopehook <hopehook@qq.com>
Reviewed-by: hopehook <hopehook@qq.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
diff --git a/windows/setupapi_windows.go b/windows/setupapi_windows.go
index 14027da..f812648 100644
--- a/windows/setupapi_windows.go
+++ b/windows/setupapi_windows.go
@@ -296,7 +296,7 @@
 	// Flag to indicate that the sorting from the INF file should be used.
 	DI_INF_IS_SORTED DI_FLAGS = 0x00008000
 
-	// Flag to indicate that only the the INF specified by SP_DEVINSTALL_PARAMS.DriverPath should be searched.
+	// Flag to indicate that only the INF specified by SP_DEVINSTALL_PARAMS.DriverPath should be searched.
 	DI_ENUMSINGLEINF DI_FLAGS = 0x00010000
 
 	// Flag that prevents ConfigMgr from removing/re-enumerating devices during device