Fix Gunboat Turrets

[Tenacity]

This applies to non gunboats as well: Cruiser razors, which were one of my favorite cruiser heavies back in the day (in general I just like razors for all ship types), were removed entirely because snubs/bombers complained about being one shot by them; however, at least to my reasoning, the cruiser razor was made to be an anti-gunboat weapon. Right now, gunboats are extremely difficult for cruisers to hit at anything outside of point blank range, which is why gunboats are considered overpowered against larger ship types (even though gunboats lack any proper anti-cap weaponry). Cruiser razors were the solution to gunboats, but got removed because of crying snubs.

Cruiser razors were as good of a counter to gunboats as *any* other cruiser weapon. Light mortar is a better counter than the razor ever was, because it's as fast as a razor but does much more damage in 1 shot. Solarises were always the only way to reliably hit gunboats.

IIRC the old cruiser razors were 1500m/s. Which was a hell of a lot easier to hit a GB with than a 900m/s light mortar

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