fix(github): restore issue form visibility (#6454)

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -1,9 +1,7 @@
 name: 报告问题
 description: 使用简练详细的语言描述你遇到的问题
-title: ""
 labels:
   - bug
-assignees: []
 body:
   - type: markdown
     attributes:

.github/ISSUE_TEMPLATE/bug_report_en.yml

@@ -1,9 +1,7 @@
 name: Bug Report
 description: Describe the issue you encountered with clear and detailed language
-title: ""
 labels:
   - bug
-assignees: []
 body:
   - type: markdown
     attributes:

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -1,9 +1,7 @@
 name: 功能请求
 description: 使用简练详细的语言描述希望加入的新功能
-title: ""
 labels:
   - enhancement
-assignees: []
 body:
   - type: markdown
     attributes:

.github/ISSUE_TEMPLATE/feature_request_en.yml

@@ -1,9 +1,7 @@
 name: Feature Request
 description: Describe the new feature you would like to add with clear and detailed language
-title: ""
 labels:
   - enhancement
-assignees: []
 body:
   - type: markdown
     attributes: