not needed anymore

Author: MarDiehl

.gitattributes

@@ -14,7 +14,6 @@
 
 # ignore files from MSC.Marc in language statistics
 install/MarcMentat/** linguist-vendored
-src/Marc/include/* linguist-vendored
 install/MarcMentat/MSC_modifications.py linguist-vendored=false
 
 # ignore reference files for tests in language statistics