lets-go: fix errant/unwanted UI text

snippetbox/cmd/web/handlers.go

@@ -216,7 +216,6 @@ func (app *application) userLoginPost(w http.ResponseWriter, r *http.Request) {
 	}
 
 	app.sessionManager.Put(r.Context(), "authenticatedUserID", userID)
-	app.sessionManager.Put(r.Context(), "flash", fmt.Sprintf("LOGGED IN USER %d!", userID))
 
 	http.Redirect(w, r, "/", http.StatusSeeOther)
 }

snippetbox/ui/html/pages/login.tmpl

@@ -7,7 +7,7 @@
   <div class="error">{{.}}</div>
   {{end}}
   <div>
-    <label>Username:</label>
+    <label>Email:</label>
     {{with .Form.FieldErrors.email}}
     <label class='error'>{{.}}</label>
     {{end}}