tree b0863cecc558849d99be5d0f38ac417ae808b3b2
parent 0ecdb82616b88a57bcaf4eac3bad7fd3a8b4f717
author Sameer Agarwal <sameeragarwal@google.com> 1721843429 -0700
committer Sameer Agarwal <sameeragarwal@google.com> 1723125923 -0700

ceres/stringprintf -> absl::strings

Replace ceres::String* with their more modern and performant
absl strings library equivalent and delete our string
manipulation library.

Change-Id: Iecbdba9864e0abf329778f81fdc0708f78f7594f