Debugger: Set debuggee environment vars.

Env vars should be set to debuggee not to debugger.

Change-Id: I1ff877e295cb61f3a47c3aec5ffb43dea64df1cc
Reviewed-by: hjk <hjk@theqtcompany.com>

src/plugins/debugger/gdb/attachgdbadapter.cpp

@@ -59,8 +59,6 @@ void GdbAttachEngine::setupEngine()
 
     if (!runParameters().workingDirectory.isEmpty())
         m_gdbProc.setWorkingDirectory(runParameters().workingDirectory);
-    if (runParameters().environment.size())
-        m_gdbProc.setEnvironment(runParameters().environment);
 
     startGdb();
 }