sdm845-common: overlay: Remove wifi related internal overlays

These are replaced by formal mainline module overlays.

Bug: 143464763
Test: Send for  Wifi regression tests
Change-Id: I45881ed210132252b9c5c7d6be03ed845e33f971

overlay/frameworks/base/core/res/res/values/config.xml

@@ -158,22 +158,6 @@
     -->
     <bool name="config_wifiDisplaySupportsProtectedBuffers">true</bool>
 
-    <!-- Boolean indicating whether the wifi chipset has dual frequency band support -->
-    <bool translatable="false" name="config_wifi_dual_band_support">true</bool>
-
-    <!-- Boolean indicating whether the wifi chipset has background scan support -->
-    <bool translatable="false" name="config_wifi_background_scan_support">true</bool>
-
-    <!-- Wifi driver supports batched scan -->
-    <bool translatable="false" name="config_wifi_batched_scan_supported">true</bool>
-
-    <!-- Indicates that connected MAC randomization is supported on this device -->
-    <bool translatable="false" name="config_wifi_connected_mac_randomization_supported">true</bool>
-
-    <!-- Configure wifi tcp buffersizes in the form:
-         rmem_min,rmem_def,rmem_max,wmem_min,wmem_def,wmem_max -->
-    <string name="config_wifi_tcp_buffers" translatable="false">524288,1048576,4194304,524288,1048576,4194304</string>
-
     <!-- Indicate whether closing the lid causes the device to go to sleep and opening
          it causes the device to wake up.
          The default is false. -->