AI fixes related to strafing and expensive land units

[ron-murhammer]

AI adjustments based on feedback here: https://forums.triplea-game.org/topic/105/ai-development-discussion-and-feedback/127

[ron-murhammer]

AI was generally undervaluing low production territories.

[ron-murhammer]

Want to use cheap land units to populate attacks in territories first as fodder. Most maps this doesn't matter since all land units are fairly cheap but some of the advanced maps have expensive land units.

[ron-murhammer]

So removing all units with AA attacks causes issues for advanced maps that have lots of different types of unit with AA style attacks. So remove this filter as its causing problems.

[codecov-io]

Codecov Report

Merging #4110 into master will increase coverage by 0.44%.
The diff coverage is 0%.

@@             Coverage Diff              @@
##             master    #4110      +/-   ##
============================================
+ Coverage     22.65%   23.09%   +0.44%     
- Complexity     6106     6652     +546     
============================================
  Files           844      845       +1     
  Lines         70906    76105    +5199     
  Branches      11379    13410    +2031     
============================================
+ Hits          16062    17578    +1516     
- Misses        52765    56301    +3536     
- Partials       2079     2226     +147

Impacted Files	Coverage Δ	Complexity Δ
...games/strategy/triplea/ai/pro/util/ProMatches.java	0% <ø> (ø)	0 <0> (ø)	⬇️
...ategy/triplea/ai/pro/data/ProTerritoryManager.java	0% <0%> (ø)	0 <0> (ø)	⬇️
...games/strategy/triplea/ai/pro/ProCombatMoveAi.java	0.35% <0%> (-0.01%)	1 <0> (ø)
.../games/strategy/engine/data/DefaultAttachment.java	91.3% <0%> (-8.7%)	24% <0%> (ø)
...a/games/strategy/triplea/delegate/TechAdvance.java	85.81% <0%> (-3.36%)	45% <0%> (+18%)
...c/main/java/games/strategy/triplea/ai/AiUtils.java	4.82% <0%> (-1.78%)	4% <0%> (ø)
...ava/games/strategy/engine/chat/ChatController.java	2.43% <0%> (-0.69%)	2% <0%> (ø)
...ain/java/games/strategy/triplea/TripleAPlayer.java	2.43% <0%> (-0.59%)	2% <0%> (ø)
...es/strategy/triplea/delegate/EndRoundDelegate.java	1.47% <0%> (-0.25%)	1% <0%> (ø)
...ain/java/games/strategy/triplea/ai/AbstractAi.java	0.94% <0%> (-0.08%)	2% <0%> (ø)
... and 63 more

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