extcon-class: kill duplicate #include

Commit f841afb17476f485900bb6213cf93a64a7dc303f (extcon: Implement OF-based extcon lookup properly) added #include <linux/of.h> (I didn't even understand why), while such #include was already there. Kill the duplicate #include.

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The patch is against the 'extcon-next' branch of the 'extcon.git' repo.

 drivers/extcon/extcon-class.c |    1 -
 1 file changed, 1 deletion(-)

Index: extcon/drivers/extcon/extcon-class.c
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@@ -29,7 +29,6 @@
 #include <linux/fs.h>
 #include <linux/err.h>
 #include <linux/extcon.h>
-#include <linux/of.h>
 #include <linux/slab.h>
 #include <linux/sysfs.h>
 #include <linux/of.h>