remove another extra variable

Author: archmoj

src/plots/cartesian/set_convert.js

@@ -729,8 +729,6 @@ module.exports = function setConvert(ax, fullLayout) {
                         // r0 value as date
                         var r0Date = new Date(r0);
                         // r0 value for break pattern
-                        var r0PatternDelta;
-                        // delta between break bounds in ms
                         var bndDelta;
                         // step in ms between rangebreaks
                         var step;
@@ -741,12 +739,11 @@ module.exports = function setConvert(ax, fullLayout) {
                             case WEEKDAY_PATTERN:
                                 b0 = bnds[0];
                                 b1 = bnds[1];
-                                r0PatternDelta = r0Date.getUTCDay() - b0;
                                 bndDelta = (b1 >= b0 ? b1 - b0 : (b1 + 7) - b0) * ONEDAY;
                                 step = 7 * ONEDAY;
 
                                 t = r0 - (
-                                    r0PatternDelta * ONEDAY +
+                                    (r0Date.getUTCDay() - b0) * ONEDAY +
                                     r0Date.getUTCHours() * ONEHOUR +
                                     r0Date.getUTCMinutes() * ONEMIN +
                                     r0Date.getUTCSeconds() * ONESEC +
@@ -756,12 +753,11 @@ module.exports = function setConvert(ax, fullLayout) {
                             case HOUR_PATTERN:
                                 b0 = bnds[0];
                                 b1 = bnds[1];
-                                r0PatternDelta = r0Date.getUTCHours() - b0;
                                 bndDelta = (b1 >= b0 ? b1 - b0 : (b1 + 24) - b0) * ONEHOUR;
                                 step = ONEDAY;
 
                                 t = r0 - (
-                                    r0PatternDelta * ONEHOUR +
+                                    (r0Date.getUTCHours() - b0) * ONEHOUR +
                                     r0Date.getUTCMinutes() * ONEMIN +
                                     r0Date.getUTCSeconds() * ONESEC +
                                     r0Date.getUTCMilliseconds()