chore: fix yaml errors in issue templates

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -15,22 +15,19 @@ body:
       label: Guide you're having trouble with
       description: If this feature is related to a specific guide, please provide the link to the guide.
       placeholder: https://code.community.com/guides/the-guide
-      value: ""
   - type: textarea
     id: what-happened
     attributes:
       label: What happened?
       description: Also tell us, what did you expect to happen?
       placeholder: Tell us what you see!
-      value: ""
     validations:
       required: true
   - type: textarea
     id: expected
     attributes:
       label: What did you expect to happen?
       placeholder: Tell us what you expected!
-      value: ""
   - type: textarea
     id: environment
     attributes:

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -15,14 +15,12 @@ body:
       label: Description
       description: Please provide a brief description of the feature you would like to see.
       placeholder: Tell us what you would like to see!
-      value: ""
   - type: textarea
     id: rationale
     attributes:
       label: Rationale
       description: Why do you think this feature would be beneficial to the community?
       placeholder: Tell us why you think this feature would be beneficial!
-      value: ""
   - type: checkboxes
     id: terms
     attributes:

.github/ISSUE_TEMPLATE/new_guide_request.yml

@@ -15,7 +15,6 @@ body:
       label: Description
       description: Please provide a brief description of the guide you would like to see.
       placeholder: Tell us what you would like to see!
-      value: ""
   - type: checkboxes
     id: terms
     attributes: