Revert "Added Portuguese language"

This reverts commit fe9cba9fcfaf9fa95b6c2e6d8ed8dc8c3d544661.

Conflicts:
	extensions/blog/languages/messages.pot
	extensions/blog/languages/pt_BR/messages.mo
	extensions/blog/languages/pt_BR/messages.po
	extensions/hello/languages/messages.pot
	extensions/hello/languages/pt_BR/messages.mo
	extensions/hello/languages/pt_BR/messages.po
	extensions/installer/languages/messages.pot
	extensions/installer/languages/pt_BR/messages.mo
	extensions/installer/languages/pt_BR/messages.po
	extensions/page/languages/messages.pot
	extensions/page/languages/pt_BR/messages.mo
	extensions/page/languages/pt_BR/messages.po