add the time as a string

BaseTypes.proto

@@ -11,8 +11,3 @@ message Dynamics {
     int32 altitude      = 2; // given in feet
     int32 verticalSpeed = 3; // given in feet/min
 }
-
-message Time {
-    int32 hour   = 1; // hours in 24-format
-    int32 minute = 2; // minutes
-}