InputStream: remove attribute "plugin"

src/archive/plugins/Bzip2ArchivePlugin.cxx

@@ -108,8 +108,6 @@ struct Bzip2InputStream final : public InputStream {
 	size_t Read(void *ptr, size_t size, Error &error) override;
 };
 
-extern const InputPlugin bz2_inputplugin;
-
 static constexpr Domain bz2_domain("bz2");
 
 /* single archive handling allocation helpers */
@@ -155,7 +153,7 @@ bz2_open(Path pathname, Error &error)
 Bzip2InputStream::Bzip2InputStream(Bzip2ArchiveFile &_context,
 				   const char *_uri,
 				   Mutex &_mutex, Cond &_cond)
-	:InputStream(bz2_inputplugin, _uri, _mutex, _cond),
+	:InputStream(_uri, _mutex, _cond),
 	 archive(&_context), eof(false)
 {
 	archive->Ref();
@@ -251,13 +249,6 @@ static const char *const bz2_extensions[] = {
 	nullptr
 };
 
-const InputPlugin bz2_inputplugin = {
-	nullptr,
-	nullptr,
-	nullptr,
-	nullptr,
-};
-
 const ArchivePlugin bz2_archive_plugin = {
 	"bz2",
 	nullptr,

src/archive/plugins/Iso9660ArchivePlugin.cxx

@@ -79,8 +79,6 @@ public:
 					Error &error) override;
 };
 
-extern const InputPlugin iso9660_input_plugin;
-
 static constexpr Domain iso9660_domain("iso9660");
 
 /* archive open && listing routine */
@@ -149,7 +147,7 @@ public:
 	Iso9660InputStream(Iso9660ArchiveFile &_archive, const char *_uri,
 			   Mutex &_mutex, Cond &_cond,
 			   iso9660_stat_t *_statbuf)
-		:InputStream(iso9660_input_plugin, _uri, _mutex, _cond),
+		:InputStream(_uri, _mutex, _cond),
 		 archive(_archive), statbuf(_statbuf) {
 		size = statbuf->size;
 		SetReady();
@@ -231,13 +229,6 @@ static const char *const iso9660_archive_extensions[] = {
 	nullptr
 };
 
-const InputPlugin iso9660_input_plugin = {
-	nullptr,
-	nullptr,
-	nullptr,
-	nullptr,
-};
-
 const ArchivePlugin iso9660_archive_plugin = {
 	"iso",
 	nullptr,

src/archive/plugins/ZzipArchivePlugin.cxx

@@ -64,8 +64,6 @@ public:
 					Error &error) override;
 };
 
-extern const InputPlugin zzip_input_plugin;
-
 static constexpr Domain zzip_domain("zzip");
 
 /* archive open && listing routine */
@@ -105,7 +103,7 @@ struct ZzipInputStream final : public InputStream {
 	ZzipInputStream(ZzipArchiveFile &_archive, const char *_uri,
 			Mutex &_mutex, Cond &_cond,
 			ZZIP_FILE *_file)
-		:InputStream(zzip_input_plugin, _uri, _mutex, _cond),
+		:InputStream(_uri, _mutex, _cond),
 		 archive(&_archive), file(_file) {
 		//we are seekable (but its not recommendent to do so)
 		seekable = true;
@@ -185,13 +183,6 @@ static const char *const zzip_archive_extensions[] = {
 	nullptr
 };
 
-const InputPlugin zzip_input_plugin = {
-	nullptr,
-	nullptr,
-	nullptr,
-	nullptr,
-};
-
 const ArchivePlugin zzip_archive_plugin = {
 	"zzip",
 	nullptr,