Revert "fix(json_value): make specific bindings public"

This reverts commit dcde960.

Author: rouson

src/sourcery/sourcery_string_m.f90

@@ -18,7 +18,7 @@ module sourcery_string_m
     generic :: operator(==)   => string_t_eq_string_t, string_t_eq_character, character_eq_string_t
     generic :: assignment(= ) => assign_string_t_to_character, assign_character_to_string_t
     generic :: get_json_value =>     get_json_integer_array, get_json_logical, get_json_integer, get_json_string, get_json_real
-    procedure ::                     get_json_integer_array, get_json_logical, get_json_integer, get_json_string, get_json_real
+    procedure, private            :: get_json_integer_array, get_json_logical, get_json_integer, get_json_string, get_json_real
     procedure, private            :: string_t_ne_string_t, string_t_ne_character
     procedure, private            :: string_t_eq_string_t, string_t_eq_character
     procedure, private            :: assign_character_to_string_t