Fix duplicate newlines at the end of files

test/mavsdk_tests/catch2/catch.hpp

@@ -17963,4 +17963,3 @@ using Catch::Detail::Approx;
 // end catch_reenable_warnings.h
 // end catch.hpp
 #endif // TWOBLUECUBES_SINGLE_INCLUDE_CATCH_HPP_INCLUDED
-

test/mavsdk_tests/test_multicopter_failure_injection.cpp

@@ -51,4 +51,3 @@ TEST_CASE("Failure Injection - Reject mid-air when it is disabled", "[multicopte
 	std::chrono::seconds until_disarmed_timeout = std::chrono::seconds(180);
 	tester.wait_until_disarmed(until_disarmed_timeout);
 }
-