feat(fake): remove issue route from fake http server

The issue route is removed from the fake HTTP server to reduce the scope of the fake server. This change simplifies the fake server and makes it easier to maintain.

Author: ktun95

internal/fake/http.go

@@ -49,17 +49,6 @@ func fetchRoute() []*route {
 					`/repos/([^/]+)/([^/]+)/compare/\w+\.\.\.\w+`,
 				)),
 		},
-		{
-			method: "GET",
-			file:   "../../../testdata/issue.json",
-			fn:     handleSuccess,
-			regexp: regexp.MustCompile(
-				fmt.Sprintf(
-					"^%s%s$",
-					baseURLPath,
-					`/repos/([^/]+)/([^/]+)/issues/(\d+)`,
-				)),
-		},
 	}
 }