chore: remove redundant word in comment (#15602)

Author: pengqiseven

e2e/__tests__/runtimeInternalModuleRegistry.test.ts

@@ -13,7 +13,7 @@ describe('Runtime Internal Module Registry', () => {
   // wouldn't re-require it and thus ignored any mocks that the module may have
   // used.
   //
-  // This test verifies that that behavior doesn't happen anymore, and correctly
+  // This test verifies that behavior doesn't happen anymore, and correctly
   // uses two module registries: an internal registry that's used specifically by
   // Jest to require any internal modules used when setting up the test
   // environment, and a "normal" module registry that's used by the actual test

packages/jest-environment/src/index.ts

@@ -82,7 +82,7 @@ export interface Jest {
    */
   advanceTimersToNextTimer(steps?: number): void;
   /**
-   * Advances the clock to the the moment of the first scheduled timer, firing it.
+   * Advances the clock to the moment of the first scheduled timer, firing it.
    * Optionally, you can provide steps, so it will run steps amount of
    * next timeouts/intervals.
    *