Duplicate array key

Author: Leandro F. L

app/code/Magento/Bundle/Block/Adminhtml/Catalog/Product/Edit/Tab/Attributes/Extend.php

@@ -143,7 +143,6 @@ public function getExtendedElement($switchAttributeCode)
             [
                 'name' => "product[{$switchAttributeCode}]",
                 'values' => $this->getOptions(),
-                'value' => $switchAttributeCode,
                 'class' => 'required-entry next-toinput',
                 'no_span' => true,
                 'disabled' => $this->isDisabledField(),

app/code/Magento/Downloadable/Helper/File.php

@@ -765,7 +765,6 @@ public function getAllMineTypes()
         'xxyz' => 'chemical/x-xyz',
         'xzaz' => 'application/vnd.zzazz.deck+xml',
         'xzip' => 'application/zip',
-        'xzmm' => 'application/vnd.handheld-entertainment+xml',
-        'xodt' => 'application/x-vnd.oasis.opendocument.spreadsheet',
+        'xzmm' => 'application/vnd.handheld-entertainment+xml'
     ];
 }