Revert ".ci: Work around bug selecting default config string for mssim TCTI."
Revert ".ci: Work around bug selecting default config string for mssim TCTI."

Fixed upstream in tpm2-tss commit bba44338.

This reverts commit 14c204d652cdba1e44ce7e017eaee36072573aaa.

01org/tpm2.0-tools,martinezjavier/tpm2-tools,martinezjavier/tpm2-tools,01org/tpm2.0-tools,martinezjavier/tpm2-tools,01org/tpm2.0-tools,martinezjavier/tpm2-tools