demux: adaptative: remove unused member

modules/demux/adaptative/plumbing/StreamOutput.cpp

@@ -53,7 +53,6 @@ BaseStreamOutput::BaseStreamOutput(demux_t *demux, const StreamFormat &format, c
     AbstractStreamOutput(demux, format)
 {
     this->name = name;
-    seekable = true;
     demuxer = NULL;
 
     CommandsFactory *factory = new CommandsFactory();
@@ -112,8 +111,7 @@ void BaseStreamOutput::pushBlock(block_t *block, bool b)
 
 bool BaseStreamOutput::seekAble() const
 {
-    bool b_canswitch = switchAllowed();
-    return (demuxer && seekable && b_canswitch);
+    return (demuxer && switchAllowed());
 }
 
 void BaseStreamOutput::setPosition(mtime_t nztime)

modules/demux/adaptative/plumbing/StreamOutput.hpp

@@ -99,7 +99,6 @@ namespace adaptative
     protected:
         FakeESOut *fakeesout; /* to intercept/proxy what is sent from demuxstream */
         AbstractDemuxer *demuxer;
-        bool      seekable;
         std::string name;
 
     private: