rrc,gnb: remove phy flat pdcch cfg struct from rrc nr cfg

srsgnb/src/stack/rrc/rrc_nr_du_manager.cc

@@ -149,4 +149,4 @@ void fill_phy_pdcch_cfg_common(const du_cell_config& cell, srsran_pdcch_cfg_nr_t
   srsran_assert(ret, "PDCCH Config Common");
 }
 
-} // namespace srsenb
+} // namespace srsenb