app_update: Remove deprecated "make erase_ota" target

Deprecated in v3.2

components/app_update/Makefile.projbuild

@@ -40,9 +40,6 @@ read_otadata: $(PARTITION_TABLE_CSV_PATH) partition_table_get_info | check_pytho
 	--partition-table-offset $(partition_table_offset) \ 
 	read_otadata
 
-erase_ota: erase_otadata
-	@echo "WARNING: erase_ota is deprecated. Use erase_otadata instead."
-
 all: blank_ota_data
 flash: blank_ota_data
 ifdef CONFIG_SECURE_FLASH_ENCRYPTION_MODE_DEVELOPMENT

docs/en/api-guides/build-system-legacy.rst

@@ -360,7 +360,7 @@ Advanced Make Targets
 ---------------------
 
 - ``make app``, ``make bootloader``, ``make partition table`` can be used to build only the app, bootloader, or partition table from the project as applicable.
-- ``make erase_flash`` and ``make erase_ota`` will use esptool.py to erase the entire flash chip and the OTA selection setting from the flash chip, respectively.
+- ``make erase_flash`` and ``make erase_otadata`` will use esptool.py to erase the entire flash chip and the OTA selection setting from the flash chip, respectively.
 - ``make size`` prints some size information about the app. ``make size-components`` and ``make size-files`` are similar targets which print more detailed per-component or per-source-file information, respectively.
 
 

docs/zh_CN/api-guides/build-system-legacy.rst

@@ -289,7 +289,7 @@ ESP-IDF 构建系统会在命令行中添加以下 C 预处理定义：
 ~~~~~~~~~~~~~~~~~~
 
 - ``make app``，``make bootloader``，``make partition table`` 可以根据需要为项目单独构建生成应用程序文件、启动引导文件和分区表文件。
-- ``make erase_flash`` 和 ``make erase_ota`` 会调用 esptool.py 脚本分别擦除整块闪存芯片或者其中 OTA 分区的内容。
+- ``make erase_flash`` 和 ``make erase_otadata`` 会调用 esptool.py 脚本分别擦除整块闪存芯片或者其中 OTA 分区的内容。
 - ``make size`` 会打印应用程序的大小信息。``make size-components`` 和 ``make size-files`` 两者功能相似，分别打印每个组件或者每个源文件大小的详细信息。
 
 调试 Make 的过程