Revert fix for monotone cubic interpolation (#11432)

src/controllers/controller.line.js

@@ -57,7 +57,7 @@ export default class LineController extends DatasetController {
     line._chart = this.chart;
     line._datasetIndex = this.index;
     line._decimated = !!_dataset._decimated;
-    line.points = points.slice(Math.max(this._drawStart - 1, 0), this._drawStart + this._drawCount);
+    line.points = points;
 
     const options = this.resolveDatasetElementOptions(mode);
     if (!this.options.showLine) {

test/fixtures/controller.line/cubicInterpolationMode/scaleMInMaxLimits.js

@@ -1,35 +0,0 @@
-module.exports = {
-  config: {
-    type: 'line',
-    data: {
-      datasets: [
-        {
-          data: [
-            {x: -10, y: 150},
-            {x: 0, y: 81},
-            {x: 10, y: 49},
-            {x: 20, y: 32},
-            {x: 30, y: 21},
-            {x: 35, y: 1},
-            {x: 40, y: 16},
-            {x: 45, y: 13},
-          ],
-          borderColor: '#ff0000',
-          cubicInterpolationMode: 'monotone'
-        }
-      ]
-    },
-    options: {
-      scales: {
-        x: {display: false, type: 'linear', min: 5, max: 37},
-        y: {display: false}
-      }
-    }
-  },
-  options: {
-    canvas: {
-      height: 256,
-      width: 512
-    }
-  }
-};

test/fixtures/controller.line/cubicInterpolationMode/scaleMaxLimit.js

@@ -1,35 +0,0 @@
-module.exports = {
-  config: {
-    type: 'line',
-    data: {
-      datasets: [
-        {
-          data: [
-            {x: -10, y: 150},
-            {x: 0, y: 81},
-            {x: 10, y: 49},
-            {x: 20, y: 32},
-            {x: 30, y: 21},
-            {x: 35, y: 1},
-            {x: 40, y: 16},
-            {x: 45, y: 13},
-          ],
-          borderColor: '#ff0000',
-          cubicInterpolationMode: 'monotone'
-        }
-      ]
-    },
-    options: {
-      scales: {
-        x: {display: false, type: 'linear', max: 30},
-        y: {display: false}
-      }
-    }
-  },
-  options: {
-    canvas: {
-      height: 256,
-      width: 512
-    }
-  }
-};