chore: remove unused Spanish translation files

[yixinshark]

1. Deleted dde-session-shell_es_419.ts (Latin American Spanish)
2. Deleted dde-session-shell_es_AR.ts (Argentinian Spanish)
3. Deleted dde-session-shell_es_CL.ts (Chilean Spanish)
4. Deleted dde-session-shell_es_MX.ts (Mexican Spanish)

Log: as title

Summary by Sourcery

Chores:

• Delete obsolete Spanish translation files for es_419 (Latin America), es_AR (Argentina), es_CL (Chile), and es_MX (Mexico)

[sourcery-ai]

Reviewer's Guide

This PR removes four obsolete Spanish translation files (es_419, es_AR, es_CL, es_MX) from the translations directory to clean up unused resources.

File-Level Changes

Change	Details	Files
Removed unused Spanish translation files	Deleted Latin American Spanish translations Deleted Argentinian Spanish translations Deleted Chilean Spanish translations Deleted Mexican Spanish translations	translations/dde-session-shell_es_419.ts translations/dde-session-shell_es_AR.ts translations/dde-session-shell_es_CL.ts translations/dde-session-shell_es_MX.ts

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[sourcery-ai]

Hey @yixinshark - I've reviewed your changes and they look great!

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[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: xionglinlin, yixinshark

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