wifi: move wpa_supplicant VINTF definition to wpa_supplicant module

Bug: 36505680
Test: builds
Change-Id: I6bd560f813f8160fef6031775cfdeb0dae4c88ff
diff --git a/manifest.xml b/manifest.xml
index d2d3477..24ec658 100644
--- a/manifest.xml
+++ b/manifest.xml
@@ -98,15 +98,6 @@
         </interface>
     </hal>
     <hal format="hidl">
-        <name>android.hardware.wifi.supplicant</name>
-        <transport>hwbinder</transport>
-        <version>1.2</version>
-        <interface>
-            <name>ISupplicant</name>
-            <instance>default</instance>
-        </interface>
-    </hal>
-    <hal format="hidl">
         <name>android.hardware.wifi.hostapd</name>
         <transport>hwbinder</transport>
         <version>1.1</version>