refactor(plugin): remove redundant init.lua wrapper

plugin/subminer/init.lua

@@ -1,7 +0,0 @@
-local M = {}
-
-function M.init()
-	require("bootstrap").init()
-end
-
-return M

plugin/subminer/main.lua

@@ -6,4 +6,4 @@ if not package.path:find(module_patterns, 1, true) then
 	package.path = module_patterns .. package.path
 end
 
-require("init").init()
+require("bootstrap").init()