Remove namespace from Level3 aliases

Since the L3 functions are meant to alias the OEMCrypto functions,
they shouldn't appear in a namespace.

Change-Id: I8d11279ff86c5b5c9eab0598d134f6904f0021ad

libwvdrmengine/level3/src/level3_adapter.cpp

@@ -7,8 +7,6 @@
 #include "haystack.h"
 #include "level3.h"
 
-namespace wvoec3 {
-
 bool Level3_IsInApp() {
   return haystack::Haystack_IsInApp();
 }
@@ -576,5 +574,3 @@ OEMCryptoResult Level3_GetSignatureHashAlgorithm(
 OEMCryptoResult Level3_EnterTestMode(void) {
   return OEMCrypto_ERROR_NOT_IMPLEMENTED;
 }
-
-}  // namespace wvoec3