remove env options

src/include/66/enum.h

@@ -161,7 +161,6 @@ typedef enum enum_opts_e enum_opts_t, *enum_opts_t_ref ;
 enum enum_opts_e
 {
     OPTS_LOGGER = 0 ,
-    OPTS_ENVIR ,
     OPTS_ENDOFKEY
 } ;
 

src/lib66/enum/enum.c

@@ -107,7 +107,6 @@ char const *enum_str_expected[] = {
 
 char const *enum_str_opts[] = {
     "log" ,
-    "env" ,
     0
 } ;