miner: Use existing helper for total signalling percentage

frontend/pages/miners.tsx

@@ -79,11 +79,8 @@ const Totals = styled.div`
 export default function Miners() {
   const blocks = useStoreState((store) => store.blocks);
   const forkName = config.fork.name;
-  const { currentNumberOfBlocks } = computeStats(blocks);
+  const { currentNumberOfBlocks, currentSignallingPercentage } = computeStats(blocks);
   const miners = useMemo(() => computeMiners(blocks), [blocks]);
-  const totalSignalling = miners
-    .filter(([_, m]) => m.signals)
-    .reduce((sum, [_, m]) => sum + m.numBlocks / currentNumberOfBlocks, 0);
 
   return (
     <Container>
@@ -94,7 +91,7 @@ export default function Miners() {
         <SiteTitle />
         <SiteMenu />
         <Totals>
-          Current total: {(totalSignalling * 100).toFixed(2)}% <>✅</>
+          Current total: {currentSignallingPercentage}% <>✅</>
         </Totals>
         <Table>
           <TableHead>

txt/index.ts

@@ -24,10 +24,6 @@ export function homeTXT() {
   const miners = computeMiners(blocks);
   const forkName = config.fork.name;
 
-  const totalSignalling = miners
-    .filter(([_, m]) => m.signals)
-    .reduce((sum, [_, m]) => sum + m.numBlocks / currentNumberOfBlocks, 0);
-
   let blocksTable = "";
   blocksTable += `${blocks[0].height}`;
   for (let i = 0; i < blocks.length; i++) {
@@ -93,7 +89,7 @@ ${blocksTable}
 
 Miners
 
-Current total: ${(totalSignalling * 100).toFixed(2)}% ✅
+Current total: ${currentSignallingPercentage}% ✅
 
 ${miners
   .map(