Remove a stray SetMultiline(true)

diff --git a/CliqueOptions.lua b/CliqueOptions.lua
index 2e8d169..4ace248 100644
--- a/CliqueOptions.lua
+++ b/CliqueOptions.lua
@@ -655,7 +655,6 @@ function Clique:CreateOptionsFrame()
 	local edit = CreateFrame("EditBox", "CliqueCustomArg1", CliqueCustomFrame, "InputBoxTemplate")
 	edit:SetHeight(30)
 	edit:SetWidth(200)
-	edit:SetMultiLine(true)
 	edit:SetPoint("TOPRIGHT", CliqueCustomFrame, "TOPRIGHT", -10, -190)
 	edit:SetAutoFocus(nil)
 	edit:SetScript("OnTabPressed", function()