Revert "msm: bam_dmux: tune downlink polling parameters"

This reverts commit 56b4b041d5e2ff8f190608aeec0e849c5f1ce42b.
Revert "msm: bam_dmux: modify DL low memory algorithm"

This reverts commit 34f6179eebce2fc5f3ca9a34108ae1e4cd4be633.
Revert "msm: bam_dmux: optimize UL inactivity timeout"

This reverts commit bc39c6e9690d5ff29d721b5e84bcc6d7316ecc3a.
Revert "Delay UL powerdown if BAM is in polling mode"

This reverts commit e5888cc9e246e96e6fd5b73b91e9a1114db6cee6.
Revert "msm: bam_dmux: UL inactivity timeout is too high"

This reverts commit 0c2a4161a3956c24096a7e54fb93329f332ac375.