Remove Pin UniquePtr support
diff --git a/syntax/impls.rs b/syntax/impls.rs
index c11c386..a9c48c3 100644
--- a/syntax/impls.rs
+++ b/syntax/impls.rs
@@ -81,36 +81,29 @@
 impl PartialEq for Ty1 {
     fn eq(&self, other: &Ty1) -> bool {
         let Ty1 {
-            pinned,
             name,
             langle: _,
             inner,
             rangle: _,
-            pin_tokens: _,
         } = self;
         let Ty1 {
-            pinned: pinned2,
             name: name2,
             langle: _,
             inner: inner2,
             rangle: _,
-            pin_tokens: _,
         } = other;
-        pinned == pinned2 && name == name2 && inner == inner2
+        name == name2 && inner == inner2
     }
 }
 
 impl Hash for Ty1 {
     fn hash<H: Hasher>(&self, state: &mut H) {
         let Ty1 {
-            pinned,
             name,
             langle: _,
             inner,
             rangle: _,
-            pin_tokens: _,
         } = self;
-        pinned.hash(state);
         name.hash(state);
         inner.hash(state);
     }
diff --git a/syntax/mod.rs b/syntax/mod.rs
index 131639f..2a3790c 100644
--- a/syntax/mod.rs
+++ b/syntax/mod.rs
@@ -168,12 +168,10 @@
 }
 
 pub struct Ty1 {
-    pub pinned: bool,
     pub name: Ident,
     pub langle: Token![<],
     pub inner: Type,
     pub rangle: Token![>],
-    pub pin_tokens: Option<(kw::Pin, Token![<], Token![>])>,
 }
 
 pub struct Ref {
diff --git a/syntax/parse.rs b/syntax/parse.rs
index 5e10116..ec89cbb 100644
--- a/syntax/parse.rs
+++ b/syntax/parse.rs
@@ -666,48 +666,40 @@
                     if let GenericArgument::Type(arg) = &generic.args[0] {
                         let inner = parse_type(arg, namespace)?;
                         return Ok(Type::UniquePtr(Box::new(Ty1 {
-                            pinned: false,
                             name: ident,
                             langle: generic.lt_token,
                             inner,
                             rangle: generic.gt_token,
-                            pin_tokens: None,
                         })));
                     }
                 } else if ident == "CxxVector" && generic.args.len() == 1 {
                     if let GenericArgument::Type(arg) = &generic.args[0] {
                         let inner = parse_type(arg, namespace)?;
                         return Ok(Type::CxxVector(Box::new(Ty1 {
-                            pinned: false,
                             name: ident,
                             langle: generic.lt_token,
                             inner,
                             rangle: generic.gt_token,
-                            pin_tokens: None,
                         })));
                     }
                 } else if ident == "Box" && generic.args.len() == 1 {
                     if let GenericArgument::Type(arg) = &generic.args[0] {
                         let inner = parse_type(arg, namespace)?;
                         return Ok(Type::RustBox(Box::new(Ty1 {
-                            pinned: false,
                             name: ident,
                             langle: generic.lt_token,
                             inner,
                             rangle: generic.gt_token,
-                            pin_tokens: None,
                         })));
                     }
                 } else if ident == "Vec" && generic.args.len() == 1 {
                     if let GenericArgument::Type(arg) = &generic.args[0] {
                         let inner = parse_type(arg, namespace)?;
                         return Ok(Type::RustVec(Box::new(Ty1 {
-                            pinned: false,
                             name: ident,
                             langle: generic.lt_token,
                             inner,
                             rangle: generic.gt_token,
-                            pin_tokens: None,
                         })));
                     }
                 } else if ident == "Pin" && generic.args.len() == 1 {
@@ -719,11 +711,6 @@
                             inner.pin_tokens =
                                 Some((pin_token, generic.lt_token, generic.gt_token));
                             return Ok(Type::Ref(inner));
-                        } else if let Type::UniquePtr(mut inner) = inner {
-                            inner.pinned = true;
-                            inner.pin_tokens =
-                                Some((pin_token, generic.lt_token, generic.gt_token));
-                            return Ok(Type::UniquePtr(inner));
                         }
                     }
                 }
diff --git a/syntax/tokens.rs b/syntax/tokens.rs
index af8088d..40ab723 100644
--- a/syntax/tokens.rs
+++ b/syntax/tokens.rs
@@ -40,10 +40,6 @@
     fn to_tokens(&self, tokens: &mut TokenStream) {
         let span = self.name.span();
         let name = self.name.to_string();
-        if let Some((pin, langle, _rangle)) = self.pin_tokens {
-            tokens.extend(quote_spanned!(pin.span=> ::std::pin::Pin));
-            langle.to_tokens(tokens);
-        }
         if let "UniquePtr" | "CxxVector" = name.as_str() {
             tokens.extend(quote_spanned!(span=> ::cxx::));
         } else if name == "Vec" {
@@ -53,9 +49,6 @@
         self.langle.to_tokens(tokens);
         self.inner.to_tokens(tokens);
         self.rangle.to_tokens(tokens);
-        if let Some((_pin, _langle, rangle)) = self.pin_tokens {
-            rangle.to_tokens(tokens);
-        }
     }
 }