Fix #797

[dgvacarevelo]

Description

Removes 'stop' commands from the GPU regions, and relocate them in CPU regions.

Fixes #797

Type of change

• Bug fix (non-breaking change which fixes an issue)

Scope

• This PR comprises a set of related changes with a common goal

If you cannot check the above box, please split your PR into multiple PRs that each have a common goal.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.

Project coverage is 43.65%. Comparing base (314c05a) to head (a7c0930).
Report is 4 commits behind head on master.

Files with missing lines	Patch %	Lines
src/simulation/m_bubbles_EL.fpp	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #813      +/-   ##
==========================================
- Coverage   43.66%   43.65%   -0.01%     
==========================================
  Files          65       66       +1     
  Lines       19159    19731     +572     
  Branches     2338     2406      +68     
==========================================
+ Hits         8365     8613     +248     
- Misses       9370     9637     +267     
- Partials     1424     1481      +57     

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[sbryngelson]

@dgvacarevelo FYI the Phoenix runner won't work for a day or two, that machine is offline for maintenance.