Masked TARGETARCH via docker.build.arg directive

roles/matrix-bridge-mautrix-telegram/tasks/setup_install.yml

@@ -85,10 +85,6 @@
   when: "matrix_mautrix_telegram_container_self_build|bool"
   ignore_errors: yes
 
-- name: Ensure TARGETARCH is beeing masked
-  command: sed -i "3s/ARG/#ARG/" "{{ matrix_mautrix_telegram_docker_src_files_path }}/Dockerfile"
-  when: "matrix_telegram_lottieconverter_container_self_build_mask_arch|bool"
-  
 - name: Ensure matrix-mautrix-telegram Docker image is built
   docker_image:
     name: "{{ matrix_mautrix_telegram_docker_image }}"
@@ -99,13 +95,10 @@
       dockerfile: Dockerfile
       path: "{{ matrix_mautrix_telegram_docker_src_files_path }}"
       pull: "{{ not matrix_telegram_lottieconverter_container_self_build_mask_arch|bool }}"
+      args:
+        TARGETARCH: ""
   when: "matrix_mautrix_telegram_container_self_build|bool and matrix_mautrix_telegram_git_pull_results.changed"
 
-# Unmask so no git changes are beeing detected
-- name: Ensure TARGETARCH is beeing unmasked
-  command: sed -i "3s/#ARG/ARG/" "{{ matrix_mautrix_telegram_docker_src_files_path }}/Dockerfile"
-  when: "matrix_telegram_lottieconverter_container_self_build_mask_arch|bool"
-  
 - name: Check if an old database file already exists
   stat:
     path: "{{ matrix_mautrix_telegram_base_path }}/mautrix-telegram.db"