[REM] subscription: Remove module

.tx/config

addons/subscription/__init__.py

addons/subscription/__manifest__.py

addons/subscription/data/subscription_demo.xml

addons/subscription/i18n/af.po

addons/subscription/i18n/am.po

addons/subscription/i18n/ar.po

addons/subscription/i18n/bg.po

addons/subscription/i18n/bs.po

addons/subscription/i18n/ca.po

addons/subscription/i18n/cs.po

addons/subscription/i18n/da.po

addons/subscription/i18n/de.po

addons/subscription/i18n/el.po

addons/subscription/i18n/en_AU.po

addons/subscription/i18n/en_GB.po

addons/subscription/i18n/es.po

addons/subscription/i18n/es_AR.po

addons/subscription/i18n/es_BO.po

addons/subscription/i18n/es_CL.po