Fix duplicate newlines at the end of files

src/lib/parameters/autosave.cpp

@@ -128,4 +128,3 @@ void ParamAutosave::Run()
 		_retry_count = 0;
 	}
 }
-

src/lib/parameters/parameters_primary.h

@@ -49,4 +49,3 @@ void param_primary_set_value(param_t param, const void *val);
 void param_primary_reset(param_t param);
 void param_primary_reset_all();
 void param_primary_get_counters(struct param_primary_counters *cnt);
-

src/lib/parameters/px4params/jsonout.py

@@ -146,4 +146,3 @@ class JsonOutput():
     def Save(self, filename):
         with codecs.open(filename, 'w', 'utf-8') as f:
             f.write(self.output)
-