Move the futex2-specific config changes to the futex2 patcher block

Fixes 45517faaf9
Fixes ccae6ec83d

linux-tkg-config/prepare

@@ -1119,12 +1119,8 @@ _tkg_srcprep() {
       _msg="Patching futex2 support"
       _tkg_patcher
       _enable "FUTEX2"
-    fi
-  fi
-
-  if [ "$_futex2" = "true" ] && [ -e "$srcdir/0007-v${_basekernel}-futex2_interface.patch" ]; then
-    sed -i -e 's/# CONFIG_EXPERT is not set/CONFIG_EXPERT=y/' ./.config
-    echo -e "\r# start of config expert\r
+      sed -i -e 's/# CONFIG_EXPERT is not set/CONFIG_EXPERT=y/' ./.config
+      echo -e "\r# start of config expert\r
 # CONFIG_DEBUG_RSEQ is not set\r
 # CONFIG_PC104 is not set\r
 # CONFIG_SLUB_MEMCG_SYSFS_ON is not set\r
@@ -1209,6 +1205,7 @@ CONFIG_DEBUG_INFO_BTF_MODULES=y\r
 # CONFIG_TRIM_UNUSED_KSYMS is not set\r
 # CONFIG_VMLINUX_MAP is not set\r
 # end of config expert\n">> ./.config
+    fi
   fi
 
   # winesync support