Drop --disable-pie from QEMU builds

This has been broken upstream for a long time and I doubt it makes much of
a difference to runtime performance.

Author: arichardson

pycheribuild/projects/build_qemu.py

@@ -212,7 +212,6 @@ def setup(self):
         else:
             # Try to optimize as much as possible:
             self.configure_args.append("--disable-stack-protector")
-            self.configure_args.append("--disable-pie")  # no need to build as PIE (this just slows down QEMU)
 
         if self.build_type.should_include_debug_info:
             self.configure_args.append("--enable-debug-info")