Update architeuthis_dux / a_dux

- now in-tree
- remove outboard
- rename keymap to a_dux

.github/workflows/outboards/architeuthis_dux.outboard

@@ -1,7 +0,0 @@
-# Copyright 2021 Manna Harbour
-# https://github.com/manna-harbour/miryoku
-
-outboard_repository=dxmh/zmk-architeuthis-dux
-outboard_ref=main
-outboard_from=config/boards/shields/architeuthis_dux
-outboard_to=boards/shields/architeuthis_dux

.github/workflows/src/test-shields.yml.m4

@@ -5,8 +5,8 @@ name: 'Test Shields'
 m4_include(include/jobs-build.yml.m4)m4_dnl
         shield:
           - absolem # outboard
-          - architeuthis_dux_left # outboard
-          - architeuthis_dux_right # outboard
+          - a_dux_left
+          - a_dux_right
           - bastyl_left # outboard
           - bastyl_right # outboard
           - boardsource5x12 # outboard

.github/workflows/test-shields.yml

@@ -15,8 +15,8 @@ jobs:
       matrix:
         shield:
           - absolem # outboard
-          - architeuthis_dux_left # outboard
-          - architeuthis_dux_right # outboard
+          - a_dux_left
+          - a_dux_right
           - bastyl_left # outboard
           - bastyl_right # outboard
           - boardsource5x12 # outboard