Remove cmocka since we don't need it anymore

install-cmocka-linux.sh

@@ -1,12 +0,0 @@
-#!/bin/sh -ex
-mkdir -p cmocka
-#wget https://cmocka.org/files/1.1/cmocka-1.1.0.tar.xz -O /tmp/cmocka-1.1.0.tar.xz
-wget --no-check-certificate https://cmocka.org/files/1.1/cmocka-1.1.1.tar.xz -P /tmp/
-tar -xf /tmp/cmocka-1.1.1.tar.xz -C /tmp
-cd cmocka && cmake -DUNIT_TESTING=On /tmp/cmocka-1.1.1 && make && make test
-# cmake builds an so instead of a dll in mingw/msys
-if [[ ! -z $MSYSTEM ]]; then
-cp src/cmocka.so src/cmocka.dll
-fi
-# cmocka does not include headers in build
-cp -R /tmp/cmocka-1.1.1/include/ .