Remove CloudSerial

[aentinger]

No description provided.

[codecov-commenter]

Codecov Report

Merging #172 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #172   +/-   ##
=======================================
  Coverage   95.61%   95.61%           
=======================================
  Files          29       29           
  Lines        1004     1004           
=======================================
  Hits          960      960           
  Misses         44       44           

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[github-actions]

Memory usage change @4ee3a8aa3898d8a59347c40140a29b8930651eb3

FQBN	Flash Usage	RAM For Global Variables
arduino:samd:mkr1000	💚 -560	💚 -104
arduino:samd:mkrgsm1400	💚 -568	💚 -120
arduino:samd:mkrnb1500	💚 -560	💚 -104
arduino:samd:mkrwan1300	0	0
arduino:samd:mkrwifi1010	💚 -552	💚 -104
arduino:samd:nano_33_iot	💚 -556	💚 -108
esp8266:esp8266:huzzah	💚 -768	💚 -128