remove global visibility of log variables, remove circular .h dependancy

openair2/UTIL/CLI/cli_cmd.c

@@ -32,7 +32,6 @@
 
 #include "cli.h"
 #include "log.h"
-#include "log_extern.h"
 
 extern cli_config *cli_cfg;
 

openair2/UTIL/OPT/opt.h

@@ -48,7 +48,7 @@ This header file must be included */
 #endif
 #ifndef project_include
   #define project_include
-  #include "common/utils/LOG/log_if.h"
+  #include "common/utils/LOG/log.h"
   #include "PHY/defs_RU.h"
 #endif