Make digest rate a plain variable

stories/mass-vore.js

@@ -1,4 +1,6 @@
 (() => {
+    let digestRate = 0.5;
+
     function devour(state, count) {
         state.player.stats.stomach.value += count;
         state.player.stats.eaten.value += count;
@@ -7,7 +9,7 @@
 
     function digest(state, count) {
         if (count === undefined) {
-            count = state.player.stats.digestrate.value * (state.player.stats.stomach.value / 100 + 2);
+            count = digestRate * (state.player.stats.stomach.value / 100 + 2);
         }
 
         count = Math.min(state.player.stats.stomach.value, count);
@@ -92,14 +94,6 @@
                     type: "counter",
                     value: 0
                 }
-                state.player.stats.digestrate = {
-                    name: "Digestion Rate",
-                    type: "hidden",
-                    value: 0.5,
-                    min: 0,
-                    max: 1,
-                    color: "rgb(0, 255, 0)"
-                }
 
                 startTimer({
                     id: "belch",
@@ -122,8 +116,8 @@
                     id: "digestion",
                     func: state => {
                         digest(state);
-                        const rateChange = (state.player.stats.digestrate.value - 0.5) / 1000
-                        state.player.stats.digestrate.value -= rateChange;
+                        const rateChange = (digestRate - 0.5) / 1000
+                        digestRate -= rateChange;
                         let vol = state.player.stats.fullness.value / state.player.stats.fullness.max
                         vol = Math.sqrt(vol);
                         playLoop("loop/stomach/stomach.ogg", vol);
@@ -172,7 +166,7 @@
                         desc: "Rub your belly",
                         execute: (room, state) => {
                             print(["You rub over the " + state.player.stats.stomach.value + " prey in your guts, hastening their digestion."]);
-                            state.player.stats.digestrate.value += 0.25;
+                            digestRate += 0.25;
                         }
                     }
                 ],