Revert "Remove effect files that are not used by any item"

This reverts commit b29fa2467a.

(cherry picked from commit 4a95156)

eos/effects/structurerigewmaxrangefalloff.py

@@ -0,0 +1,18 @@
+# Not used by any item
+type = "passive"
+
+
+def handler(fit, src, context):
+    groups = ("Structure ECM Battery", "Structure Disruption Battery")
+
+    fit.modules.filteredItemBoost(lambda mod: mod.item.group.name in groups,
+                                  "falloff", src.getModifiedItemAttr("structureRigEwarFalloffBonus"),
+                                  stackingPenalties=True)
+
+    fit.modules.filteredItemBoost(lambda mod: mod.item.group.name in groups,
+                                  "maxRange", src.getModifiedItemAttr("structureRigEwarOptimalBonus"),
+                                  stackingPenalties=True)
+
+    fit.modules.filteredItemBoost(lambda mod: mod.item.group.name in groups,
+                                  "falloffEffectiveness", src.getModifiedItemAttr("structureRigEwarFalloffBonus"),
+                                  stackingPenalties=True)