remove title and checkbox in issue template because title cause guy

empty title and no body care about the checkbox``

.github/ISSUE_TEMPLATE/bug_report.yaml

@@ -1,5 +1,6 @@
 name: 🐞 Bug report
 description: Thanks for taking the time to fill out this bug report! Please fill the form in **English**
+body:
   - type: textarea
     id: desc
     attributes:

.github/ISSUE_TEMPLATE/feature_request.yaml

@@ -1,15 +1,6 @@
 name: 🛠️ Feature request
 description: Suggest an idea for RustDesk
-title: "[FR] "
 body:
-  - type: checkboxes
-    attributes:
-      label: Is there an existing issue for this?
-      description: Please search to see if an issue related to this already exists.
-      options:
-      - label: I have searched the existing issues
-        required: true
-        
   - type: textarea
     id: desc
     attributes: