Clang tidy: delete a redundant return

[AndyZe]

No description provided.

[codecov-commenter]

Codecov Report

Merging #790 (a3587d9) into master (925f5f3) will decrease coverage by 1.69%.
The diff coverage is 37.28%.

@@            Coverage Diff             @@
##           master     #790      +/-   ##
==========================================
- Coverage   34.61%   32.92%   -1.70%     
==========================================
  Files          52       90      +38     
  Lines        2981     8495    +5514     
  Branches     1855     5657    +3802     
==========================================
+ Hits         1032     2797    +1765     
- Misses        310      672     +362     
- Partials     1639     5026    +3387     

Flag	Coverage Δ
unittests	32.92% <37.28%> (-1.70%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
controller_manager/src/realtime.cpp	0.00% <0.00%> (ø)
controller_manager/src/ros2_control_node.cpp	0.00% <0.00%> (ø)
..._interface/include/hardware_interface/actuator.hpp	100.00% <ø> (ø)
...re_interface/include/hardware_interface/sensor.hpp	100.00% <ø> (ø)
...re_interface/include/hardware_interface/system.hpp	100.00% <ø> (ø)
hardware_interface/src/resource_manager.cpp	50.09% <ø> (-3.53%)	⬇️
hardware_interface/src/sensor.cpp	50.52% <ø> (ø)
hardware_interface/src/system.cpp	55.45% <ø> (ø)
...rface/test/mock_components/test_generic_system.cpp	8.62% <ø> (ø)
...dware_interface/test/test_component_interfaces.cpp	32.44% <ø> (+4.25%)	⬆️
... and 106 more