StreamCopyT avoid delete

Author: pschatzmann

src/AudioTools/CoreAudio/StreamCopy.h

@@ -59,17 +59,12 @@ class StreamCopyT {
 
         /// Ends the processing
         void end() {
-            if (is_cleanup_from) {
-                delete this->from;
-                is_cleanup_from = false;
-            }
             this->from = nullptr;
             this->to = nullptr;
         }
 
         /// assign a new output and input stream
         void begin(Print &to, Stream &from){
-            is_cleanup_from = true;
             this->from = &from;
             this->to = &to;
             begin();
@@ -368,7 +363,6 @@ class StreamCopyT {
         int (*availableCallback)(Stream*stream)=nullptr;
         void *onWriteObj = nullptr;
         bool is_first = false;
-        bool is_cleanup_from = false;
         bool check_available_for_write = false;
         bool check_available = true;
         const char* actual_mime = nullptr;