fix: remove all the damage applier classes because they currently reside on megamek

[Scoppio]

This code was moved to megamek.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 10.21%. Comparing base (ceca9ba) to head (35ba081).
Report is 33 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #5731      +/-   ##
============================================
+ Coverage     10.19%   10.21%   +0.01%     
+ Complexity     6074     6064      -10     
============================================
  Files          1011     1003       -8     
  Lines        139505   139215     -290     
  Branches      20504    20436      -68     
============================================
- Hits          14224    14215       -9     
+ Misses       123909   123623     -286     
- Partials       1372     1377       +5     

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[IllianiCBT]

It took me a while to go through all the code changes. But I can confirm these files have been deleted and no longer exist in mhq. :P

Jokes aside, LGTM

[Scoppio]

Pls merge?

[Sleet01]

@Scoppio Will these checks be cleared up by the MM PRs currently awaiting merging?

> Task :MekHQ:compileJava
/home/runner/work/mekhq/mekhq/mekhq/MekHQ/src/mekhq/campaign/autoresolve/AtBSetupForces.java:22: error: cannot find symbol
import megamek.common.autoresolve.converter.ConsolidateForces;
                                           ^
  symbol:   class ConsolidateForces
  location: package megamek.common.autoresolve.converter
/home/runner/work/mekhq/mekhq/mekhq/MekHQ/src/mekhq/campaign/autoresolve/AtBSetupForces.java:47: error: AtBSetupForces is not abstract and does not override abstract method addOrdersToForces(SimulationContext) in SetupForces
public class AtBSetupForces extends SetupForces {
       ^
/home/runner/work/mekhq/mekhq/mekhq/MekHQ/src/mekhq/campaign/autoresolve/AtBSetupForces.java:67: error: cannot find symbol
        ConsolidateForces.consolidateForces(game, new SingleElementConsolidateForces());
        ^
  symbol:   variable ConsolidateForces
  location: class AtBSetupForces