ARM: omap3: evm: Remove CONFIG_SYS_NS16550_REG_SIZE undefine

This commit removes an attempt to workaround a previous compilation
warning that is is now fixed in "include/configs/ti_omap3_common.h".
Signed-off-by: NDerald D. Woods <woods.technical@gmail.com>
Reviewed-by: NTom Rini <trini@konsulko.com>

include/configs/omap3_evm.h

@@ -40,9 +40,6 @@
 #undef CONFIG_CONS_INDEX
 #define CONFIG_CONS_INDEX               1
 #define CONFIG_SYS_NS16550_COM1         OMAP34XX_UART1
-#if defined(CONFIG_SPL_BUILD)
-#undef CONFIG_SYS_NS16550_REG_SIZE
-#endif /* CONFIG_SPL_BUILD */
 
 /* NAND */
 #if defined(CONFIG_NAND)