Due dilligence: don't reintroduce ICACHE_RAM_ATTR: core_esp8266_app_entry_noextra4k.cpp and hwdt_app_entry.cpp

[dok-net]

@mhightower83 Please fix da6ec83

[dok-net]

@mhightower83 core_esp8266_app_entry_noextra4k.cpp? 🙂

[dok-net]

Fixed by #8013 and #8018 - @mhightower83 Thanks! If you didn't know, mentioning issues in PRs or even commit messages like so, "fixes #8013", triggers GitHub to close the referenced issues automatically when the PR gets merged.

[mhightower83]

@dok-net Thanks! I was not aware of that.