main: Remove unused `r2d2_sqlite::SqliteConnectionManager` import

Not sure when or why I added this.

1 files changed, 0 insertions, 1 deletions

diff --git a/src/main.rs b/src/main.rs
index d8a0c78..15f0898 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -22,7 +22,6 @@ use exitcode;
 use filetime;
 use getopts::Options;
 use parse_size::parse_size;
-use r2d2_sqlite::SqliteConnectionManager;
 use rayon::iter::{IntoParallelRefIterator, ParallelIterator};
 use rusqlite;