Delete relation with pumukit1id property

[rubenrua]

This relation is not necessary.

$ ag pumukit1id
Command/YoutubeUploadCommand.php
116:          ->field('properties.pumukit1id')->exists(false)

Command/YoutubeUpdatePlaylistCommand.php
98:            ->field('properties.pumukit1id')->exists(false);

Command/YoutubeUpdateStatusCommand.php
119:            ->field('properties.pumukit1id')->exists($pumukit1Id)

Command/YoutubeDeleteCommand.php
202:            ->field('properties.pumukit1id')->exists(false);

Command/YoutubeUpdateMetadataCommand.php
105:          ->field('properties.pumukit1id')->exists(false)

Idea: Implement a block field in the YouTube document if necesary.