Revert perf regression

Author: fabioh8010

lib/utils.ts

@@ -39,14 +39,6 @@ type FastMergeResult<TValue> = {
 
 const ONYX_INTERNALS__REPLACE_OBJECT_MARK = 'ONYX_INTERNALS__REPLACE_OBJECT_MARK';
 
-function fib(n: number): number {
-    if (n <= 1) {
-        return n;
-    }
-
-    return fib(n - 1) + fib(n - 2);
-}
-
 /**
  * Merges two objects and removes null values if "shouldRemoveNestedNulls" is set to true
  *
@@ -60,8 +52,6 @@ function fastMerge<TValue>(target: TValue, source: TValue, options?: FastMergeOp
         };
     }
 
-    fib(15);
-
     // We have to ignore arrays and nullish values here,
     // otherwise "mergeObject" will throw an error,
     // because it expects an object as "source"