refactor(ahk): remove derive-ahk and references

This commit finally sunsets the derive-ahk proc macro and the
ahk-library cli command.

There is now a dedicated, stripped down komorebi.ahk example on the docs
website which mirrors the contents and style of the sample whkdrc:
https://lgug2z.github.io/komorebi/common-workflows/autohotkey.html

Cargo.lock

@@ -1116,15 +1116,6 @@ dependencies = [
  "syn 1.0.109",
 ]
 
-[[package]]
-name = "derive-ahk"
-version = "0.1.1"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 1.0.109",
-]
-
 [[package]]
 name = "digest"
 version = "0.10.7"
@@ -2400,11 +2391,9 @@ dependencies = [
  "chrono",
  "clap",
  "color-eyre",
- "derive-ahk",
  "dirs",
  "dunce",
  "fs-tail",
- "heck 0.5.0",
  "komorebi-client",
  "komorebi-core",
  "lazy_static",