chore: remove dockerfiles for custom dev container

[shanshanying]

inherit from KubeBlocks, but not applicable for kbcli.

[shanshanying]

/cherry-pick release-0.9

[apecloud-bot]

🤖 says: Error cherry-picking.

CONFLICT (modify/delete): docker/Dockerfile deleted in 76027ef (chore: remove dockerfiles for custom dev container (#642)) and modified in HEAD. Version HEAD of docker/Dockerfile left in tree.
CONFLICT (modify/delete): docker/docker.mk deleted in 76027ef (chore: remove dockerfiles for custom dev container (#642)) and modified in HEAD. Version HEAD of docker/docker.mk left in tree.
error: could not apply 76027ef... chore: remove dockerfiles for custom dev container (#642)
hint: After resolving the conflicts, mark them with
hint: "git add/rm ", then run
hint: "git cherry-pick --continue".
hint: You can instead skip this commit with "git cherry-pick --skip".
hint: To abort and get back to the state before "git cherry-pick",
hint: run "git cherry-pick --abort".
hint: Disable this message with "git config set advice.mergeConflict false"

[apecloud-bot]

🤖 says: ‼️ cherry pick action failed.
See: https://github.com/apecloud/kbcli/actions/runs/19488675059

[shanshanying]

/cherry-pick release-1.0

[apecloud-bot]

🤖 says: Error cherry-picking.

CONFLICT (modify/delete): docker/docker.mk deleted in 76027ef (chore: remove dockerfiles for custom dev container (#642)) and modified in HEAD. Version HEAD of docker/docker.mk left in tree.
error: could not apply 76027ef... chore: remove dockerfiles for custom dev container (#642)
hint: After resolving the conflicts, mark them with
hint: "git add/rm ", then run
hint: "git cherry-pick --continue".
hint: You can instead skip this commit with "git cherry-pick --skip".
hint: To abort and get back to the state before "git cherry-pick",
hint: run "git cherry-pick --abort".
hint: Disable this message with "git config set advice.mergeConflict false"

[apecloud-bot]

🤖 says: ‼️ cherry pick action failed.
See: https://github.com/apecloud/kbcli/actions/runs/19488728421