Small random cleanups (#3188)

* Fix incorrect return

* Remove unused function

Author: Denneisk

lua/entities/gmod_wire_expression2/core/entity.lua

@@ -1149,7 +1149,7 @@ end
 __e2setcost(50)
 
 e2function array entity:getFlexes()
-	if not IsValid(this) then return self:throw("Invalid entity!", 0) end
+	if not IsValid(this) then return self:throw("Invalid entity!", {}) end
 	local ret = {}
 	for i = 0, this:GetFlexNum() - 1 do
 		ret[i] = this:GetFlexName(i)

lua/entities/gmod_wire_expression2/core/hologram.lua

@@ -1248,7 +1248,6 @@ e2function void holoUnparent(index)
 	if not Holo then return end
 
 	Holo.ent:SetParent(nil)
-	Holo.ent:SetParentPhysNum(0)
 end
 
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