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
1 file changed
tree: cc6dff3aa7b1fbf4ffff42f33f8e3e3c83ef9044
  1. snippets/
  2. default.xml
  3. README.mkdn