cmake: Make make lint less verbose

It unnecessarily complicates spotting linter errors, as they're usually
surrounded by a bunch of lines saying "Done processing ... ".

clint.py

@@ -3070,8 +3070,6 @@ def ProcessFile(filename, vlevel, extra_check_functions=[]):
                   'One or more unexpected \\r (^M) found;'
                   'better to use only a \\n')
 
-    sys.stderr.write('Done processing %s\n' % filename)
-
 
 def PrintUsage(message):
     """Prints a brief usage string and exits, optionally with an error message.

cmake/RunLint.cmake

@@ -5,9 +5,7 @@ file(GLOB_RECURSE LINT_FILES ${LINT_DIR}/*.c ${LINT_DIR}/*.h)
 if(LINT_IGNORE_FILE)
   file(READ ${LINT_IGNORE_FILE} LINT_IGNORED_FILES)
   string(REPLACE "\n" ";" LINT_IGNORED_FILES ${LINT_IGNORED_FILES})
-  message(STATUS "Ignoring the following files for linting:")
   foreach(ignore_file ${LINT_IGNORED_FILES})
-    message(STATUS "${ignore_file}")
     list(REMOVE_ITEM LINT_FILES "${LINT_PREFIX}/${ignore_file}")
   endforeach()
 endif()