Update the bug template

.github/ISSUE_TEMPLATE/1_bug.yml

@@ -60,13 +60,8 @@ body:
         Please create a minimal reproducible sample that shows the problem
         and attach it below between the lines with the backticks.
 
-        To create it, use the `flutter create bug` command and update the `main.dart` file.
-
         Alternatively, you can use https://dartpad.dev/ or create a public GitHub
         repository to share your sample.
-
-        Note: Please do not upload screenshots of text. Instead, use code blocks
-        or the above mentioned ways to upload your code sample.
       value: |
         <details><summary>Code sample</summary>