stm32mp: cosmetic: remove empty comment block in configs file

This is cosmetic change.

Remove the empty comment blocks remaining after conversion to Kconfig
of CONFIG_SYS_MAX_NAND_DEVICE and CONFIG_SERVERIP.

Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
diff --git a/include/configs/stm32mp13_common.h b/include/configs/stm32mp13_common.h
index 5b0658c..3e3f49a 100644
--- a/include/configs/stm32mp13_common.h
+++ b/include/configs/stm32mp13_common.h
@@ -21,8 +21,6 @@
  */
 #define CFG_SYS_BOOTMAPSZ		SZ_256M
 
-/* NAND support */
-
 /*****************************************************************************/
 #ifdef CONFIG_DISTRO_DEFAULTS
 /*****************************************************************************/
diff --git a/include/configs/stm32mp15_common.h b/include/configs/stm32mp15_common.h
index af6dd4a..9cac31b 100644
--- a/include/configs/stm32mp15_common.h
+++ b/include/configs/stm32mp15_common.h
@@ -21,10 +21,6 @@
  */
 #define CFG_SYS_BOOTMAPSZ		SZ_256M
 
-/* NAND support */
-
-/* Ethernet need */
-
 #define STM32MP_FIP_IMAGE_GUID \
 	EFI_GUID(0x19d5df83, 0x11b0, 0x457b, 0xbe, 0x2c, \
 		 0x75, 0x59, 0xc1, 0x31, 0x42, 0xa5)