tpm2_akparse: drop duplicate routines
tpm2_akparse: drop duplicate routines

tpm2_akparse had bigendian conversion and file saving routines.
These duplicated the routines available in files.h, drop them
and replace with the files.h versions.

Signed-off-by: William Roberts <60148e894dabf0b83bde1d460768794cd453c455@intel.com>

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