efl: apply the stabilzed column of the efl api board

efl: apply the stabilzed column of the efl api board

Summary:
The project https://phab.enlightenment.org/tag/efl_api/ has been used in
the last few weeks to figure out which classes can be stablized and
which cannot. This commit moves those dedicated classes outside beta.
And makes them stable.

ref T7601
ref T7600
ref T7599
ref T7598
ref T7597
ref T7596
ref T7594
ref T7593
ref T7591
ref T7590
ref T7589
ref T7588
ref T7583
ref T7582
ref T7581
ref T7576
ref T7570
ref T7567
ref T7564
ref T7563
ref T7560
ref T7559
ref T7672
ref T7584
ref T7577
ref T7571
ref T7558
ref T7555
ref T7554
ref T7553
ref T7512
ref T7511

Depends on D8272

Reviewers: cedric, stefan_schmidt, zmike, segfaultxavi

Reviewed By: segfaultxavi

Subscribers: #reviewers, #committers

Tags: #efl

Maniphest Tasks: T7672, T7601, T7600, T7599, T7598, T7597, T7596, T7594, T7593, T7591, T7590, T7589, T7588, T7584, T7583, T7582, T7581, T7577, T7576, T7571, T7570, T7567, T7564, T7563, T7560, T7559, T7558, T7555, T7554, T7553, T7512, T7511

Differential Revision: https://phab.enlightenment.org/D8273

Change-Id: I3a759062b08e035903632360ab4ebf66e2ba37b8