Also move Lua scripts to share subfolder

scripts/access_action.lua

@@ -1,37 +0,0 @@
-ardour {
-	["type"]    = "EditorAction",
-	name        = "Shortcut",
-	license     = "MIT",
-	author      = "me",
-	description = [[Trigger a keyboard shortcut.  You will be prompted for the shortcut's action in the next step.]]
-}
-
-function action_params ()
-	local actionlist = {
-		{
-			type = "dropdown", key = "action", title = "Action", values = ArdourUI:actionlist(),
-			default = "Save"
-		}
-	}
-
-	local rv = LuaDialog.Dialog ("Select Action", actionlist):run ()
-	if not rv then -- user cancelled
-		return { ["x-script-abort"] = { title = "", preseeded = true} }
-	end
-
-	local action = rv["action"]
-	local name = "Shortcut - " .. action
-	return {
-		["action"] = { title = "Action to trigger", default = action, preseeded = true},
-		["x-script-name"] = { title = "Unique Script name", default = name, preseeded = true},
-	}
-end
-
-function factory (params) return function ()
-	local p = params or { }
-	local as = assert (p["action"])
-	local sp = assert (as:find('/'))
-	local group = assert (as:sub(0, sp - 1))
-	local item = assert (as:sub(1 + sp))
-	Editor:access_action (group, item)
-end end