doc: reorganize issue templates

- Convert task to simple bullet points, avoid Github making it a task;
- Remove blank lines;
- Fix default typo; and
- Comment final commitment paragraph.

.github/ISSUE_TEMPLATE/bug.md

@@ -8,26 +8,23 @@ assignees: ''
 
 ### Commitment
 
-I have read the following resources:
+I confirm that I have read the following resources:
 
-- [ ] [How to ask questions The Smart Way](http://catb.org/esr/faqs/smart-questions.html)
-
-- [ ] [Writing the perfect question](https://codeblog.jonskeet.uk/2010/08/29/writing-the-perfect-question/)
-
-- [ ] [Question checklist](https://codeblog.jonskeet.uk/2012/11/24/stack-overflow-question-checklist/)
-
-- [ ] [Could you please make my preference the defafault?](https://www.qubes-os.org/faq/#could-you-please-make-my-preference-the-default)
+- [How to ask questions The Smart Way](http://catb.org/esr/faqs/smart-questions.html)
+- [Writing the perfect question](https://codeblog.jonskeet.uk/2010/08/29/writing-the-perfect-question/)
+- [Question checklist](https://codeblog.jonskeet.uk/2012/11/24/stack-overflow-question-checklist/)
+- [Could you please make my preference the default?](https://www.qubes-os.org/faq/#could-you-please-make-my-preference-the-default)
 
 <!--
 If it doesn't affect a large user base, you will have more chance to get our
 attention by contributing to the project either helping on support, code or
 money contribution than trying to deeply justify why you preferences should be
 the default.
--->
 
 If you haven't read at least two of the aforementioned resources, there is a
 good chance your text will not be well written and therefore considered
 invalid.
+-->
 
 ### Software version
 <!--

.github/ISSUE_TEMPLATE/feat.md

@@ -10,24 +10,21 @@ assignees: ''
 
 I confirm that I have read the following resources:
 
-- [ ] [How to ask questions The Smart Way](http://catb.org/esr/faqs/smart-questions.html)
-
-- [ ] [Writing the perfect question](https://codeblog.jonskeet.uk/2010/08/29/writing-the-perfect-question/)
-
-- [ ] [Question checklist](https://codeblog.jonskeet.uk/2012/11/24/stack-overflow-question-checklist/)
-
-- [ ] [Could you please make my preference the defafault?](https://www.qubes-os.org/faq/#could-you-please-make-my-preference-the-default)
+- [How to ask questions The Smart Way](http://catb.org/esr/faqs/smart-questions.html)
+- [Writing the perfect question](https://codeblog.jonskeet.uk/2010/08/29/writing-the-perfect-question/)
+- [Question checklist](https://codeblog.jonskeet.uk/2012/11/24/stack-overflow-question-checklist/)
+- [Could you please make my preference the default?](https://www.qubes-os.org/faq/#could-you-please-make-my-preference-the-default)
 
 <!--
 If it doesn't affect a large user base, you will have more chance to get our
 attention by contributing to the project either helping on support, code or
 money contribution than trying to deeply justify why you preferences should be
 the default.
--->
 
 If you haven't read at least two of the aforementioned resources, there is a
 good chance your text will not be well written and therefore considered
 invalid.
+-->
 
 ### Current problem (if any)
 <!--

.github/ISSUE_TEMPLATE/question.md

@@ -8,26 +8,23 @@ assignees: ''
 
 ### Commitment
 
-I have read the following resources:
+I confirm that I have read the following resources:
 
-- [ ] [How to ask questions The Smart Way](http://catb.org/esr/faqs/smart-questions.html)
-
-- [ ] [Writing the perfect question](https://codeblog.jonskeet.uk/2010/08/29/writing-the-perfect-question/)
-
-- [ ] [Question checklist](https://codeblog.jonskeet.uk/2012/11/24/stack-overflow-question-checklist/)
-
-- [ ] [Could you please make my preference the defafault?](https://www.qubes-os.org/faq/#could-you-please-make-my-preference-the-default)
+- [How to ask questions The Smart Way](http://catb.org/esr/faqs/smart-questions.html)
+- [Writing the perfect question](https://codeblog.jonskeet.uk/2010/08/29/writing-the-perfect-question/)
+- [Question checklist](https://codeblog.jonskeet.uk/2012/11/24/stack-overflow-question-checklist/)
+- [Could you please make my preference the default?](https://www.qubes-os.org/faq/#could-you-please-make-my-preference-the-default)
 
 <!--
 If it doesn't affect a large user base, you will have more chance to get our
 attention by contributing to the project either helping on support, code or
 money contribution than trying to deeply justify why you preferences should be
 the default.
--->
 
 If you haven't read at least two of the aforementioned resources, there is a
 good chance your text will not be well written and therefore considered
 invalid.
+-->
 
 ### Question