fixup! parser-cov: further tweaks to key event matching

Remove a duplicated entry in the list of tests.

Author: kdudka

tests/csdiff/CMakeLists.txt

@@ -84,7 +84,6 @@ test_csdiff(diff-misc 16-cov-parser-key-event)
 test_csdiff(diff-misc 17-cov-parser-key-event)
 test_csdiff(diff-misc 18-cov-parser-key-event)
 test_csdiff(diff-misc 19-cov-parser-key-event)
-test_csdiff(diff-misc 19-cov-parser-key-event)
 test_csdiff(diff-misc 23-cov-parser-key-event)
 
 add_subdirectory(filter-file)