Remove apparently useless look behind (fix Safari)

spa/src/AggregatesShowcase.js

@@ -81,10 +81,7 @@ const AggregatesShowcase = () => {
                 <StatLabel>{prettifyStatisticName(x.type, x.name)}</StatLabel>
                 <StatNumber>{`${x.value
                   .toString()
-                  .replace(
-                    /\B(?<!\.\d*)(?=(\d{3})+(?!\d))/g,
-                    ","
-                  )}`}</StatNumber>
+                  .replace(/\B(?=(\d{3})+(?!\d))/g, ",")}`}</StatNumber>
               </Stat>
             );
           })}