Removing debugging information for NSS and Valgrind Suppressions

Since we no longer use NSS for SSL/Crypto, the debugging information
for it is outdated and we no longer need to include the Valgrind
Suppressions.

BUG=604728

Review URL: https://codereview.chromium.org/1921743002

Cr-Commit-Position: refs/heads/master@{#389808}
2 files changed