debugger: streamline classical dumper setup

Remote dumpers are not used anymore, there's also no need to
have it in the engine base class anymore.

Change-Id: If0b6930b07e468d5973d848e02696bc5da40a197
Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/debugger/debuggerstartparameters.h

@@ -115,7 +115,6 @@ public:
     QString searchPath; // Gdb "set solib-search-path"
     QString debugInfoLocation; // Gdb "set-debug-file-directory".
     QStringList debugSourceLocation; // Gdb "directory"
-    QByteArray remoteDumperLib;
     QByteArray remoteSourcesDir;
     QString remoteMountPoint;
     QString localMountDir;