Remove "Planned" from SAIDI / SAIFI chart options

[mevionfamos]

Description

"Planned" is not an indicator and even though we can calculate it, we should not display it for now. This applies to both SAIDI and SAIFI

Reproduction Steps

1. Navigate to https://www.strompreis.abn.elcom.admin.ch/sunshine/operator/36/power-stability?compareWith=&viewBy=progress&saidiSaifiType=total&overallOrRatio=overall
2. Click on "Entwicklung über die Zeit"
3. Observe that "planned" is an option

Expected Behavior

Test Environment

• Ref
• Abn
• Prod