Revert "Remove Continuous vars with 1 value from histogram, add to info drawer (#1927)" (#1953)

This reverts commit 242546371b.

client/src/reducers/index.js

@@ -21,7 +21,7 @@ import centroidLabels from "./centroidLabels";
 import pointDialation from "./pointDilation";
 import { reembedController } from "./reembed";
 import { gcMiddleware as annoMatrixGC } from "../annoMatrix";
-import singleContinuousValue from "./singleContinuousValue";
+
 import undoableConfig from "./undoableConfig";
 
 const Reducer = undoable(
@@ -32,7 +32,6 @@ const Reducer = undoable(
     ["ontology", ontology],
     ["annotations", annotations],
     ["layoutChoice", layoutChoice],
-    ["singleContinuousValue", singleContinuousValue],
     ["categoricalSelection", categoricalSelection],
     ["continuousSelection", continuousSelection],
     ["graphSelection", graphSelection],

client/src/reducers/singleContinuousValue.js

@@ -1,14 +0,0 @@
-const initialState = {
-  singleContinuousValues: new Map(),
-};
-const singleContinuousValue = (state = initialState, action) => {
-  switch (action.type) {
-    case "add single continuous value":
-      state.singleContinuousValues.set(action.field, action.value);
-      return state;
-    default:
-      return state;
-  }
-};
-
-export default singleContinuousValue;