pyloxi: remove 'skip' field from Member

The other member types catch the ones that would previously set this flag.

The type fields of instructions, action_ids, etc still aren't populated.
diff --git a/py_gen/templates/_ofclass.py b/py_gen/templates/_ofclass.py
index 03fe837..8c21bb3 100644
--- a/py_gen/templates/_ofclass.py
+++ b/py_gen/templates/_ofclass.py
@@ -1,5 +1,5 @@
 :: from py_gen.codegen import Member, LengthMember, TypeMember
-:: normal_members = [m for m in ofclass.members if type(m) == Member and not m.skip]
+:: normal_members = [m for m in ofclass.members if type(m) == Member]
 class ${ofclass.pyname}(${superclass}):
 :: for m in ofclass.type_members:
     ${m.name} = ${m.value}
diff --git a/py_gen/templates/_pretty_print.py b/py_gen/templates/_pretty_print.py
index 5d5edee..5709227 100644
--- a/py_gen/templates/_pretty_print.py
+++ b/py_gen/templates/_pretty_print.py
@@ -30,7 +30,7 @@
             with q.indent(2):
                 q.breakable()
 :: from py_gen.codegen import Member, LengthMember, TypeMember
-:: normal_members = [m for m in ofclass.members if type(m) == Member and not m.skip]
+:: normal_members = [m for m in ofclass.members if type(m) == Member]
 :: first = True
 :: for m in normal_members:
 :: if not first:
diff --git a/py_gen/templates/message.py b/py_gen/templates/message.py
index 86fb3bf..d81d5b7 100644
--- a/py_gen/templates/message.py
+++ b/py_gen/templates/message.py
@@ -46,7 +46,7 @@
 
 :: for ofclass in ofclasses:
 :: from py_gen.codegen import Member, LengthMember, TypeMember
-:: normal_members = [m for m in ofclass.members if type(m) == Member and not m.skip]
+:: normal_members = [m for m in ofclass.members if type(m) == Member]
 :: type_members = [m for m in ofclass.members if type(m) == TypeMember]
 class ${ofclass.pyname}(Message):
 :: for m in type_members:
diff --git a/py_gen/templates/oxm.py b/py_gen/templates/oxm.py
index 5d5df7a..e11a0a4 100644
--- a/py_gen/templates/oxm.py
+++ b/py_gen/templates/oxm.py
@@ -53,7 +53,7 @@
 
 :: for ofclass in ofclasses:
 :: from py_gen.codegen import Member, LengthMember, TypeMember
-:: normal_members = [m for m in ofclass.members if type(m) == Member and not m.skip]
+:: normal_members = [m for m in ofclass.members if type(m) == Member]
 :: type_members = [m for m in ofclass.members if type(m) == TypeMember]
 class ${ofclass.pyname}(OXM):
 :: for m in type_members: