Revert "qsd8k: media_codecs add mp4 encoder"

This reverts commit 158a670eb5b870dc13eef388be0fcd5bd4818ce3.
this insnt even the right codec. video uses a avc/h264 which isnt working
* leaving qcom encoders but as comments

Change-Id: Iede56455aae7cdc8a6e39cfd7ef862f9f2c05e51