Fix file layout

Remove additional spaces between the directory name and the code owners

CODEOWNERS

 # Ending a path in a `/` will specify the code owners for every file
 # nested in that directory, on any level
-/          @f.uhlig @p.-a.loizeau @d.emschermann
+/ @f.uhlig @p.-a.loizeau @d.emschermann
 
 ## Detectors
 
 # TRD
-/trd/       @praisig
+/trd/ @praisig
 
 # PSD
 #/psd/ @karpushkin_AT_inr.ru
 
 # MUCH
-/much/         @v.singhal
+/much/ @v.singhal
 
 # TOF
 /tof/ @n.herrmann @i.deppner
 
 # RICH
-/rich/      @s.lebedev
+/rich/ @s.lebedev
 
 # STS
 /sts/ @v.friese @a.toia