Obsolete the cx4 in favor of a ruger PCC

[kevingranade]

Summary

None

Purpose of change

I noticed the Cx4 Storm was below our cutoff for circulation, and statted up a more popular 9mm carbine to replace it (though that one falls into the same niche as the even more popular Kel Tec Sub200, so probably needn't have bothered.

Describe the solution

Add the Ruger 9mm PCC and migrate Cx4 storms to it.

Describe alternatives you've considered

Ehhhh?

Testing

Loaded up a character with a Cx4 and it turned into a PCC.

[github-actions]

Auto-requesting reviews from non-collaborators: @I-am-Erk

[TheShadowFerret]

Does this mean we'll get the P Series of pistols too 👉👈

[kevingranade]

Looks like the P89 and P95 barely squeak by the gunbroker criteria.

[github-actions]

Auto-requesting reviews from non-collaborators: @jbytheway

[github-actions]

Spell checker encountered unrecognized words in the in-game text added in this pull request. See below for details.

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• Ruger 9mm pistol calibre carbine
• Ruger 9mm pistol calibre carbines

This alert is automatically generated. You can simply disregard if this is inaccurate, or (optionally) you can also add the new words to tools/spell_checker/dictionary.txt so they will not trigger an alert next time.

Hints for adding a new word to the dictionary

• If the word is normally in all lowercase, such as the noun word or the verb does, add it in its lower-case form; if the word is a proper noun, such as the surname George, add it in its initial-caps form; if the word is an acronym or has special letter case, such as the acronym CDDA or the unit mW, add it by preserving the case of all the letters. A word in the dictionary will also match its initial-caps form (if the word is in all lowercase) and all-uppercase form, so a word should be added to the dictionary in its normal letter case even if used in a different letter case in a sentence.
• For a word to be added to the dictionary, it should either be a real, properly-spelled modern American English word, a foreign loan word (including romanized foreign names), or a foreign or made-up word that is used consistently and commonly enough in the game. Intentional misspelling (including eye dialect) of a word should not be added unless it has become a common terminology in the game, because while someone may have a legitimate use for it, another person may spell it that way accidentally.