Add freeOnDevice calls on Wave Propagation Solvers

[acitrain]

This PR add the call to free some array from GPU memory using freeOnDevice method added in the following LvArray PR : https://github.com/GEOS-DEV/LvArray/pull/298

[paveltomin]

@acitrain is it still active?

[acitrain]

@acitrain is it still active?

yes it should.. @jiemeng-total are you going to use this pull request for the free on device etc stuf?

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 80.00000% with 13 lines in your changes missing coverage. Please review.

Project coverage is 56.41%. Comparing base (a493b12) to head (4ff983e). Report is 73 commits behind head on develop.

Files with missing lines	Patch %	Lines
...rderEqn/anisotropic/AcousticVTIWaveEquationSEM.cpp	0.00%	13 Missing :warning:

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #2610      +/-   ##
===========================================
+ Coverage    56.40%   56.41%   +0.01%     
===========================================
  Files         1065     1065              
  Lines        90331    90396      +65     
===========================================
+ Hits         50951    51001      +50     
- Misses       39380    39395      +15     

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