Disable unused features in prettytable-rs crate

ffsend doesn't use csv.

Cargo.lock

@@ -187,18 +187,6 @@ dependencies = [
  "byte-tools",
 ]
 
-[[package]]
-name = "bstr"
-version = "0.2.17"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba3569f383e8f1598449f1a423e72e99569137b47740b1da11ef19af3d5c3223"
-dependencies = [
- "lazy_static",
- "memchr",
- "regex-automata",
- "serde",
-]
-
 [[package]]
 name = "bumpalo"
 version = "3.11.0"
@@ -451,28 +439,6 @@ dependencies = [
  "subtle",
 ]
 
-[[package]]
-name = "csv"
-version = "1.1.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22813a6dc45b335f9bade10bf7271dc477e81113e89eb251a0bc2a8a81c536e1"
-dependencies = [
- "bstr",
- "csv-core",
- "itoa 0.4.8",
- "ryu",
- "serde",
-]
-
-[[package]]
-name = "csv-core"
-version = "0.1.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b2466559f260f48ad25fe6317b3c8dac77b5bdb5763ac7d9d6103530663bc90"
-dependencies = [
- "memchr",
-]
-
 [[package]]
 name = "darling"
 version = "0.10.2"
@@ -1756,7 +1722,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0fd04b170004fa2daccf418a7f8253aaf033c27760b5f225889024cf66d7ac2e"
 dependencies = [
  "atty",
- "csv",
  "encode_unicode",
  "lazy_static",
  "term",
@@ -1999,12 +1964,6 @@ dependencies = [
  "regex-syntax",
 ]
 
-[[package]]
-name = "regex-automata"
-version = "0.1.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6c230d73fb8d8c1b9c0b3135c5142a8acee3a0558fb8db5cf1cb65f8d7862132"
-
 [[package]]
 name = "regex-syntax"
 version = "0.6.27"

Cargo.toml

@@ -119,7 +119,7 @@ open = "2"
 openssl-probe = "0.1"
 pathdiff = "0.2"
 pbr = "1"
-prettytable-rs = "0.8"
+prettytable-rs = { version = "0.8", default-features = false }
 qr2term = { version = "0.2", optional = true }
 rand = "0.8"
 regex = "1.5"