pinctrl: qcom: pinctrl-msm8976: Remove unused variable 'nav_tsync_groups'

Fixes the following W=1 kernel build warning(s):

drivers/pinctrl/qcom/pinctrl-msm8976.c:802:27: warning: ‘nav_tsync_groups’ defined but not used [-Wunused-const-variable=]
802 | static const char
const nav_tsync_groups[] = {
| ^~~~~~~~~~~~~~~~

Signed-off-by: Lee Jones <[e-mail]>
Cc: Andy Gross <[e-mail]>
Cc: Bjorn Andersson <[e-mail]>
Cc: Del Regno <[e-mail]>
Cc: [e-mail]
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Linus Walleij <[e-mail]>

drivers/pinctrl/qcom/pinctrl-msm8976.c

···
 static const char * const modem_tsync_groups[] = {
 	"gpio93",
 };
-static const char * const nav_tsync_groups[] = {
-	"gpio93",
-};
 static const char * const ssbi_wtr1_groups[] = {
 	"gpio79", "gpio94",
 };