ValidVotersTable: Remove unnecessary children manual borders

src/admin/Voters/CheckboxCell.tsx

@@ -17,7 +17,7 @@ export const CheckboxCell = ({
 }) => {
   return (
     <td
-      className={`${hoverable} border border-solid border-[#ccc] px-2.5`}
+      className={`${hoverable}`}
       onClick={() => {
         const new_checked = [...checked]
         if (pressing_shift && last_selected !== undefined) {
@@ -47,7 +47,7 @@ export const CheckboxHeaderCell = ({
   set_checked: (checked: boolean[]) => void
   set_last_selected: (index?: number) => void
 }) => (
-  <th className="border border-solid border-[#ccc]">
+  <th>
     <input
       className="cursor-pointer"
       type="checkbox"

src/admin/Voters/DeliveriesAndFailures.tsx

@@ -52,7 +52,6 @@ export const DeliveriesAndFailures = ({
       </Tooltip>
       <style jsx>{`
         td {
-          border: 1px solid #ccc;
           padding: 3px 10px;
           margin: 0;
         }

src/admin/Voters/QueuedCell.tsx

@@ -27,7 +27,6 @@ export const QueuedCell = ({ invite_queued }: { invite_queued?: unknown[] }) =>
       </Tooltip>
       <style jsx>{`
         td {
-          border: 1px solid #ccc;
           padding: 3px 10px;
           margin: 0;
         }