[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>

searx/webapp.py

@@ -419,8 +419,8 @@ def render(template_name: str, **kwargs):
     # values from settings
     kwargs['search_formats'] = [x for x in settings['search']['formats'] if x != 'html']
     kwargs['instance_name'] = get_setting('general.instance_name')
-    kwargs['searx_version'] = VERSION_STRING
-    kwargs['searx_git_url'] = GIT_URL
+    kwargs['searxng_version'] = VERSION_STRING
+    kwargs['searxng_git_url'] = GIT_URL
     kwargs['enable_metrics'] = get_setting('general.enable_metrics')
     kwargs['get_setting'] = get_setting
     kwargs['get_pretty_url'] = get_pretty_url
@@ -1153,7 +1153,6 @@ def stats():
         engine_stats = engine_stats,
         engine_reliabilities = engine_reliabilities,
         selected_engine_name = selected_engine_name,
-        searx_git_branch = GIT_BRANCH,
         technical_report = technical_report,
         # fmt: on
     )