Revert "refac: Basis data time series points"

[johevemi]

Reverts Energinet-DataHub/opengeh-wholesale#2728

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Python test results

32 tests   32 :white_check_mark:  10m 38s :stopwatch:  1 suites   0 :zzz:  1 files     0 :x:

Results for commit f1fdf7f5.

:recycle: This comment has been updated with latest results.