[mod] remove the "Submit a new issue on Github" form (#5896)

Submitting an issue on GitHub isn't a end user task .. most issue reports coming
from this form are not filled out, since end users are not familiar with the
needs of a developer community.

Closes: https://github.com/searxng/searxng/issues/5820
Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>

client/simple/src/less/style.less

@@ -11,7 +11,6 @@
 @import "animations.less";
 @import "embedded.less";
 @import "info.less";
-@import "new_issue.less";
 @import "stats.less";
 @import "result_templates.less";
 @import "weather.less";