remove unused case

Author: Ciabas

govtool/backend/sql/list-dreps.sql

@@ -133,8 +133,7 @@ DRepData AS (
           jsonb_build_object(
             'uri',   COALESCE(
                       CASE WHEN jsonb_typeof(ref->'uri') = 'string' THEN ref->>'uri' END,
-                      ref->'uri'->>'@value',
-                      ref->>'@value'
+                      ref->'uri'->>'@value'
                     ),
             '@type', ref->>'@type',
             'label', COALESCE(
@@ -160,8 +159,7 @@ DRepData AS (
           jsonb_build_object(
             'uri',   COALESCE(
                       CASE WHEN jsonb_typeof(ref->'uri') = 'string' THEN ref->>'uri' END,
-                      ref->'uri'->>'@value',
-                      ref->>'@value'
+                      ref->'uri'->>'@value'
                     ),
             '@type', ref->>'@type',
             'label', COALESCE(