Revert "Clean up unused effects"

This reverts commit 842be9535b.

eos/effects/structureballisticcontrolsystem.py

@@ -0,0 +1,17 @@
+# Not used by any item
+type = "passive"
+
+
+def handler(fit, module, context):
+    missileGroups = ("Structure Anti-Capital Missile", "Structure Anti-Subcapital Missile")
+
+    for dmgType in ("em", "kinetic", "explosive", "thermal"):
+        fit.modules.filteredChargeMultiply(lambda mod: mod.charge.group.name in missileGroups,
+                                           "%sDamage" % dmgType,
+                                           module.getModifiedItemAttr("missileDamageMultiplierBonus"),
+                                           stackingPenalties=True)
+
+    launcherGroups = ("Structure XL Missile Launcher", "Structure Multirole Missile Launcher")
+    fit.modules.filteredItemMultiply(lambda mod: mod.item.group.name in launcherGroups,
+                                     "speed", module.getModifiedItemAttr("speedMultiplier"),
+                                     stackingPenalties=True)