Deprecate support for legacy effect config file audio_effects.conf

Bug: 279987639
Test: build panther and test audio with effects enabled
Test: m dumpEffectConfigFile
Test: /vendor/bin/dumpEffectConfigFile --xml /vendor/etc/audio_effects.xml
Change-Id: Id3ec0934333aea174ab7469887a6d7bf416f2a42
diff --git a/services/audiopolicy/service/AudioPolicyEffects.cpp b/services/audiopolicy/service/AudioPolicyEffects.cpp
index b111865..4ea3751 100644
--- a/services/audiopolicy/service/AudioPolicyEffects.cpp
+++ b/services/audiopolicy/service/AudioPolicyEffects.cpp
@@ -48,13 +48,7 @@
         mDefaultDeviceEffectFuture =
                 std::async(std::launch::async, &AudioPolicyEffects::initDefaultDeviceEffects, this);
     } else if (loadResult < 0) {
-        ALOGW("Failed to query effect configuration, fallback to load .conf");
-        // load automatic audio effect modules
-        if (access(AUDIO_EFFECT_VENDOR_CONFIG_FILE, R_OK) == 0) {
-            loadAudioEffectConfigLegacy(AUDIO_EFFECT_VENDOR_CONFIG_FILE);
-        } else if (access(AUDIO_EFFECT_DEFAULT_CONFIG_FILE, R_OK) == 0) {
-            loadAudioEffectConfigLegacy(AUDIO_EFFECT_DEFAULT_CONFIG_FILE);
-        }
+        ALOGE("Failed to query effect configuration with status %d", loadResult);
     } else if (loadResult > 0) {
         ALOGE("Effect config is partially invalid, skipped %d elements", loadResult);
     }
@@ -955,34 +949,6 @@
     return skippedElements;
 }
 
-status_t AudioPolicyEffects::loadAudioEffectConfigLegacy(const char *path)
-{
-    cnode *root;
-    char *data;
-
-    data = (char *)load_file(path, NULL);
-    if (data == NULL) {
-        return -ENODEV;
-    }
-    root = config_node("", "");
-    config_load(root, data);
-
-    Vector <EffectDesc *> effects;
-    loadEffects(root, effects);
-    loadInputEffectConfigurations(root, effects);
-    loadStreamEffectConfigurations(root, effects);
-
-    for (size_t i = 0; i < effects.size(); i++) {
-        delete effects[i];
-    }
-
-    config_free(root);
-    free(root);
-    free(data);
-
-    return NO_ERROR;
-}
-
 void AudioPolicyEffects::initDefaultDeviceEffects()
 {
     Mutex::Autolock _l(mLock);