Remove redundant Cryptocell libraries

[RonEld]

Description

Remove additional redundant libraries, that were accidentally added in the CC310 porting PR.
Addresses #7069

Pull request type

[x] Fix
[ ] Refactor
[ ] New target
[ ] Feature
[ ] Breaking change

[cmonr]

@RonEld Why were these files introduced with #6794 in the first place?

[RonEld]

@cmonr They were added by mistake, within all the rebases and merges that were done. And they were missed in the reviews

[cmonr]

/morph build

[mbed-ci]

Build : SUCCESS

Build number : 2226
Build artifacts/logs : http://mbed-os.s3-website-eu-west-1.amazonaws.com/?prefix=builds/7074/

Triggering tests

/morph test
/morph uvisor-test
/morph export-build
/morph mbed2-build

[mbed-ci]

Test : SUCCESS

Build number : 2019
Test logs :http://mbed-os-logs.s3-website-us-west-1.amazonaws.com/?prefix=logs/7074/2019

[mbed-ci]

Exporter Build : SUCCESS

Build number : 1854
Build artifacts/logs : http://mbed-os.s3-website-eu-west-1.amazonaws.com/?prefix=builds/exporter/7074/

[RonEld]

@cmonr Note that this PR addresses only part of #7069
It doesn't resolve the first part of that issue