build: remove libsamplerate dependency

docker/Dockerfile_debian_8

docker/Dockerfile_debian_8_i386

docker/Dockerfile_debian_9

docker/Dockerfile_debian_9_i386

docker/Dockerfile_fedora_22

docker/Dockerfile_fedora_22_i386

docker/Dockerfile_fedora_23

docker/Dockerfile_fedora_23_i386

docker/Dockerfile_fedora_24

docker/Dockerfile_fedora_24_i386

docker/Dockerfile_fedora_25

docker/Dockerfile_fedora_25_i386

docker/Dockerfile_fedora_26

docker/Dockerfile_fedora_27

docker/Dockerfile_fedora_28

docker/Dockerfile_ubuntu_14.04

docker/Dockerfile_ubuntu_14.04_i386

docker/Dockerfile_ubuntu_16.04

docker/Dockerfile_ubuntu_16.04_i386

docker/Dockerfile_ubuntu_16.10