undo mock changes and handle in component

public/app/features/datasources/components/picker/DataSourceCard.tsx

@@ -54,7 +54,7 @@ export function DataSourceCard({
         </div>
       </Card.Heading>
       <Card.Figure className={styles.logo}>
-        <img src={ds.meta.info.logos.small} alt={`${ds.meta.name} Logo`} />
+        <img src={ds.meta.info.logos.small || undefined} alt={`${ds.meta.name} Logo`} />
       </Card.Figure>
     </Card>
   );

public/app/features/datasources/components/picker/DataSourceModal.test.tsx

@@ -19,7 +19,7 @@ const pluginMetaInfo: PluginMetaInfo = {
   version: '',
   updated: '',
   links: [],
-  logos: { small: 'small.png', large: 'large.png' },
+  logos: { small: '', large: '' },
 };
 
 function createPluginMeta(name: string, builtIn: boolean): DataSourcePluginMeta {

public/app/features/explore/spec/helper/setup.tsx

@@ -265,8 +265,8 @@ export function makeDatasourceSetup({
       updated: '',
       version: '',
       logos: {
-        small: 'small.png',
-        large: 'large.png',
+        small: '',
+        large: '',
       },
     },
     id: id.toString(),