gitlab: Remove outdated instructions in issue templates

.gitlab/issue_templates/Default.md

@@ -1,8 +1,5 @@
 <!-- This is a template to report bugs, select the corresponding template to request a new feature. -->
 
-<!-- Please note that Fractal was rewritten from scratch and our current focus is on the main branch
-or the latest nightly build, so issues with the stable release are unlikely to be fixed. -->
-
 Detailed description of the issue. Provide as much information as you can, potentially with images
 or videos showing the issue.
 

.gitlab/issue_templates/Feature.md

@@ -1,7 +1,7 @@
-<!-- Please note that Fractal was rewritten from scratch and our current focus is on the main branch
-or the latest nightly build. Some features missing in the stable release are already available
-in the development version. To avoid duplicates and unnecessary issues, please check that your
-request is for something that is not yet implemented and doesn’t have an existing issue open. -->
+<!-- Please note that some features missing in the stable release are already available in the
+development version. To avoid duplicates and unnecessary issues, please check that your request is
+for something that is not yet implemented, and doesn’t have an existing issue that is open or that
+was closed as out of scope. -->
 
 Detailed description of the feature. Provide as much information as you can.