fix(build): remove CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_NONE option from c6, h2 and p4

CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_NONE doesnt really have many use cases, but it will
force us to keep increasing bootloader segment sizes just to allow for building this options.

Deprecate this config for new chips.

components/bootloader/Kconfig.projbuild

@@ -23,7 +23,6 @@ menu "Bootloader config"
             - The default "Size" setting will add the -0s flag to CFLAGS.
             - The "Debug" setting will add the -Og flag to CFLAGS.
             - The "Performance" setting will add the -O2 flag to CFLAGS.
-            - The "None" setting will add the -O0 flag to CFLAGS.
 
             Note that custom optimization levels may be unsupported.
 
@@ -34,7 +33,9 @@ menu "Bootloader config"
         config BOOTLOADER_COMPILER_OPTIMIZATION_PERF
             bool "Optimize for performance (-O2)"
         config BOOTLOADER_COMPILER_OPTIMIZATION_NONE
-            bool "Debug without optimization (-O0)"
+            bool "Debug without optimization (-O0) (Deprecated, will be removed in IDF v6.0)"
+            depends on IDF_TARGET_ARCH_XTENSA || IDF_TARGET_ESP32C3 || IDF_TARGET_ESP32C2
+
     endchoice
 
     choice BOOTLOADER_LOG_LEVEL

tools/ci/build_template_app.sh

@@ -12,9 +12,6 @@ set -euo pipefail
 gen_configs() {
     # CONFIG_COMPILER_OPTIMIZATION_NONE with flag -O0
     echo "CONFIG_COMPILER_OPTIMIZATION_NONE=y" > esp-idf-template/sdkconfig.ci.O0
-    echo "CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_NONE=y" >> esp-idf-template/sdkconfig.ci.O0
-    # -O0 makes the bootloader too large to fit in the default space, otherwise(!)
-    echo "CONFIG_PARTITION_TABLE_OFFSET=0x10000" >> esp-idf-template/sdkconfig.ci.O0
 
     # CONFIG_COMPILER_OPTIMIZATION_SIZE with flag -Os
     echo "CONFIG_COMPILER_OPTIMIZATION_SIZE=y" > esp-idf-template/sdkconfig.ci.Os