delete unnecessary steps from context files

tests/acceptance/bootstrap/FeatureContext.php

@@ -932,26 +932,6 @@ class FeatureContext extends BehatVariablesContext {
 		$this->ocsApiVersion = (int)$version;
 	}
 
-	/**
-	 * @Given /^as user "([^"]*)"$/
-	 *
-	 * @param string $user
-	 *
-	 * @return void
-	 */
-	public function asUser(string $user): void {
-		$this->currentUser = $this->getActualUsername($user);
-	}
-
-	/**
-	 * @Given as the administrator
-	 *
-	 * @return void
-	 */
-	public function asTheAdministrator(): void {
-		$this->currentUser = $this->getAdminUsername();
-	}
-
 	/**
 	 * @return string
 	 */
@@ -1690,21 +1670,6 @@ class FeatureContext extends BehatVariablesContext {
 		);
 	}
 
-	/**
-	 * @Then the HTTP status code should be failure
-	 *
-	 * @return void
-	 */
-	public function theHTTPStatusCodeShouldBeFailure(): void {
-		$statusCode = $this->response->getStatusCode();
-		$message = "The HTTP status code $statusCode is not greater than or equals to 400";
-		Assert::assertGreaterThanOrEqual(
-			400,
-			$statusCode,
-			$message
-		);
-	}
-
 	/**
 	 * @param string $path
 	 * @param string $filename