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/repo/http.go

@@ -91,7 +91,7 @@ func httpBase(ctx *context.Context) (h *serviceHandler) {
 		strings.HasSuffix(ctx.Req.URL.Path, "git-upload-archive") {
 		isPull = true
 	} else {
-		isPull = (ctx.Req.Method == "GET")
+		isPull = ctx.Req.Method == "GET"
 	}
 
 	var accessMode models.AccessMode

routers/repo/issue.go

@@ -52,8 +52,6 @@ const (
 )
 
 var (
-	// ErrTooManyFiles upload too many files
-	ErrTooManyFiles = errors.New("Maximum number of files to upload exceeded")
 	// IssueTemplateCandidates issue templates
 	IssueTemplateCandidates = []string{
 		"ISSUE_TEMPLATE.md",

routers/repo/setting_protected_branch.go

@@ -130,16 +130,16 @@ func SettingsProtectedBranch(c *context.Context) {
 	c.Data["merge_whitelist_users"] = strings.Join(base.Int64sToStrings(protectBranch.MergeWhitelistUserIDs), ",")
 	c.Data["approvals_whitelist_users"] = strings.Join(base.Int64sToStrings(protectBranch.ApprovalsWhitelistUserIDs), ",")
 	contexts, _ := models.FindRepoRecentCommitStatusContexts(c.Repo.Repository.ID, 7*24*time.Hour) // Find last week status check contexts
-	for _, context := range protectBranch.StatusCheckContexts {
+	for _, ctx := range protectBranch.StatusCheckContexts {
 		var found bool
-		for _, ctx := range contexts {
-			if ctx == context {
+		for i := range contexts {
+			if contexts[i] == ctx {
 				found = true
 				break
 			}
 		}
 		if !found {
-			contexts = append(contexts, context)
+			contexts = append(contexts, ctx)
 		}
 	}