clk: mediatek: remove deprecated CLK_INFRA_CA57SEL for MT8173 SoC

Remove CLK_INFRA_CA57SEL for MT8173 since it's no longer used.
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Seiya Wang <seiya.wang@mediatek.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>

include/dt-bindings/clock/mt8173-clk.h

@@ -186,7 +186,6 @@
 #define CLK_INFRA_PMICWRAP		11
 #define CLK_INFRA_CLK_13M		12
 #define CLK_INFRA_CA53SEL               13
-#define CLK_INFRA_CA57SEL               14 /* Deprecated. Don't use it. */
 #define CLK_INFRA_CA72SEL               14
 #define CLK_INFRA_NR_CLK                15