remove not needed

Author: KSDaemon

packages/cubejs-schema-compiler/src/adapter/BaseQuery.js

@@ -604,51 +604,6 @@ export class BaseQuery {
     );
   }
 
-  /**
-   * @private
-   * @param {Array<string>} arr
-   * @returns {{}|any}
-   */
-  buildPredecessors(arr) {
-    if (!arr || arr.length === 0) return {};
-
-    const root = arr[0];
-
-    // the first position of each unique element
-    const firstPos = new Map();
-    for (let i = 0; i < arr.length; i++) {
-      if (!firstPos.has(arr[i])) firstPos.set(arr[i], i);
-    }
-
-    const result = {};
-
-    for (const [elem, idx] of firstPos.entries()) {
-      if (elem === root) {
-        result[elem] = [];
-      } else {
-        // finding the nearest root on the left <<
-        const seen = new Set();
-        const path = [];
-
-        for (let j = idx - 1; j >= 0; j--) {
-          const v = arr[j];
-          if (!seen.has(v)) {
-            seen.add(v);
-            path.push(v);
-          }
-          if (v === root) {
-            break;
-          }
-        }
-
-        path.reverse();
-        result[elem] = path;
-      }
-    }
-
-    return result;
-  }
-
   initUngrouped() {
     this.ungrouped = this.options.ungrouped;
     if (this.ungrouped) {