Improve test coverage.

app/Support/Http/Controllers/BasicDataSupport.php

@@ -30,23 +30,6 @@ namespace FireflyIII\Support\Http\Controllers;
 trait BasicDataSupport
 {
 
-    /**
-     * Sum up an array.
-     *
-     * @param array $array
-     *
-     * @return string
-     */
-    protected function arraySum(array $array): string // filter + group data
-    {
-        $sum = '0';
-        foreach ($array as $entry) {
-            $sum = bcadd($sum, $entry);
-        }
-
-        return $sum;
-    }
-
     /**
      * Filters empty results from getBudgetPeriodReport.
      *