Remove ambiguous evidence level field from claims and the AI assistant.

Drops Evidenzlevel from models, admin, public UI, and draft workflow while keeping Nachweise file uploads unchanged.

Co-authored-by: Cursor <cursoragent@cursor.com>

templates/admin/claims/review_draft.html

@@ -81,11 +81,6 @@
                 {{ form.claim_status }}
             </div>
 
-            <div class="field-box">
-                <label for="{{ form.evidence_level.id_for_label }}">{{ form.evidence_level.label }}</label>
-                {{ form.evidence_level }}
-            </div>
-
             <div class="field-box">
                 <label for="{{ form.short_answer.id_for_label }}">{{ form.short_answer.label }}</label>
                 {{ form.short_answer }}

templates/claims/claim_detail.html

@@ -18,7 +18,6 @@
 
     <div class="fk-meta-stack mb-3">
         {% status_badge claim %}
-        {% evidence_badge claim %}
     </div>
 
     <div class="fk-card fk-answer-card">

templates/claims/partials/evidence_badge.html

@@ -1,4 +0,0 @@
-<span class="fk-evidence">
-  <i class="bi bi-bar-chart" aria-hidden="true"></i>
-  Evidenz: {{ claim.get_evidence_level_display }}
-</span>