qcom: Remove deprecated custom APM

Custom APM has been forcebly disabled since a very long time:
https://git.codelinaro.org/clo/la/platform/vendor/qcom-opensource/audio/-/commit/af11e2e78e7e250f9a30ea7c47cfea3c1568c9bd

Change-Id: I0a7f737f6ad01e0064aed0f95d6c8f1ca5d1ff97
diff --git a/snippets/lineage.xml b/snippets/lineage.xml
index 316c56e..f2a8c0b 100644
--- a/snippets/lineage.xml
+++ b/snippets/lineage.xml
@@ -128,7 +128,6 @@
   <project path="hardware/qcom-caf/vr" name="LineageOS/android_hardware_qcom_vr" groups="qcom,sdm660" />
   <project path="hardware/qcom-caf/wlan" name="LineageOS/android_hardware_qcom_wlan" groups="qcom,waipio-vendor" revision="lineage-20.0-caf" />
   <project path="vendor/codeaurora/telephony" name="LineageOS/android_vendor_codeaurora_telephony" groups="qcom,qssi" />
-  <project path="vendor/qcom/opensource/audio" name="LineageOS/android_vendor_qcom_opensource_audio" groups="qcom,qssi" />
   <project path="vendor/qcom/opensource/audio-hal/st-hal" name="LineageOS/android_vendor_qcom_opensource_audio-hal_st-hal" groups="qcom,lahaina" />
   <project path="vendor/qcom/opensource/commonsys-intf/display" name="LineageOS/android_vendor_qcom_opensource_display-commonsys-intf" groups="qcom,qssi" />
   <project path="vendor/qcom/opensource/commonsys/display" name="LineageOS/android_vendor_qcom_opensource_display-commonsys" groups="qcom,qssi" />