Revert "Merge branch 'lal_remove_ReadFTSeries' into 'master'"

Detailed Description

The intention was to keep this API-incompatible MR open until after O4, but it was merged prematurely. Reverting until it can be re-opened after O4. Apologies for the miscommunication.

API Changes

Please tick one of the following options:

• These changes do not modify the API.
• These changes do modify the API, and are backwards compatible.
• These changes do modify the API, and are backwards incompatible.

For examples of changes that do not modify the API and/or are considered backwards (in)compatible, please see the contributing guide.

Justification for Backwards Incompatible Changes

Review Status

assigned to @karl-wette

approved this merge request

enabled an automatic merge when all merge checks for 05b524e7 pass

merged

mentioned in commit 537a4897

added apimajor lal labels

mentioned in commit 44b3f48b