Drop scene_num property to gain stability (Closes: #617)

[syssi]

No description provided.

[codecov-commenter]

Codecov Report

Merging #1147 (5f0d04c) into master (43d9eaf) will decrease coverage by 0.01%.
The diff coverage is 60.00%.

@@            Coverage Diff             @@
##           master    #1147      +/-   ##
==========================================
- Coverage   76.06%   76.05%   -0.02%     
==========================================
  Files          76       76              
  Lines        8921     8923       +2     
  Branches      748      749       +1     
==========================================
  Hits         6786     6786              
- Misses       1951     1952       +1     
- Partials      184      185       +1     

Impacted Files	Coverage Δ
miio/philips_eyecare.py	97.02% <60.00%> (-1.97%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 43d9eaf...5f0d04c. Read the comment docs.