theme: oscar - remove dust (comes from PR #1671 implementation)

was inadvertently included in the commit [1]

[1] https://github.com/asciimoo/searx/commit/f34ac58752b3857468d01c79d7bc3409e8b03fe3#diff-0243d1c24e9981002156cc87cc10bd53R103

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>

searx/templates/oscar/results.html

@@ -100,7 +100,7 @@
             {% if unresponsive_engines and results|length >= 1 -%}
             <div class="alert alert-danger fade in" role="alert">
                 <p>{{ _('Engines cannot retrieve results') }}:</p>
-                {%- for engine_name, error_type in unresponsive_engines -%}AAAA
+                {%- for engine_name, error_type in unresponsive_engines -%}
                 {{- engine_name }} ({{ error_type }}){% if not loop.last %}, {% endif %}{{- "" -}}
                 {%- endfor -%}
             </div>