sm7125: Drop android HW tetheroffload config

It makes the hotspot UI freeze, and tethering works fine without
it.

Change-Id: Id5b991b5f5512229c6bcb56735453057fa6177b2

configs/manifest.xml

@@ -149,16 +149,6 @@
         </interface>
         <fqname>@2.2::ISoundTriggerHw/default</fqname>
     </hal>
-    <hal format="hidl">
-        <name>android.hardware.tetheroffload.config</name>
-        <transport>hwbinder</transport>
-        <version>1.0</version>
-        <interface>
-            <name>IOffloadConfig</name>
-            <instance>default</instance>
-        </interface>
-        <fqname>@1.0::IOffloadConfig/default</fqname>
-    </hal>
     <hal format="hidl">
         <name>android.hardware.tetheroffload.control</name>
         <transport>hwbinder</transport>