Code Formats, Nits & Unused Func/Var deletions (#15286)

* _ to unused func options

* rm useless brakets

* rm trifial non used models functions

* rm dead code

* rm dead global vars

* fix routers/api/v1/repo/issue.go

* dont overload import module

routers/api/v1/org/team.go

@@ -660,7 +660,7 @@ func SearchTeam(ctx *context.APIContext) {
 		UserID:      ctx.User.ID,
 		Keyword:     strings.TrimSpace(ctx.Query("q")),
 		OrgID:       ctx.Org.Organization.ID,
-		IncludeDesc: (ctx.Query("include_desc") == "" || ctx.QueryBool("include_desc")),
+		IncludeDesc: ctx.Query("include_desc") == "" || ctx.QueryBool("include_desc"),
 		ListOptions: listOptions,
 	}