Rename the xmpp-parsers directory to parsers

This doesn’t change anything to the name of the crate, just makes
autocompletion easier by not sharing the same prefix as the xmpp crate.

xmpp-parsers/Cargo.toml

@@ -1,35 +0,0 @@
-[package]
-name = "xmpp-parsers"
-version = "0.18.1"
-authors = [
-  "Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>",
-  "Maxime “pep” Buquet <pep@bouah.net>",
-]
-description = "Collection of parsers and serialisers for XMPP extensions"
-homepage = "https://gitlab.com/xmpp-rs/xmpp-rs"
-repository = "https://gitlab.com/xmpp-rs/xmpp-rs"
-keywords = ["xmpp", "jabber", "xml"]
-categories = ["parsing", "network-programming"]
-license = "MPL-2.0"
-edition = "2018"
-
-[dependencies]
-minidom = "0.13"
-jid = { version = "0.9", features = ["minidom"] }
-base64 = "0.13"
-digest = "0.9"
-sha-1 = "0.9"
-sha2 = "0.9"
-sha3 = "0.9"
-blake2 = "0.9"
-chrono = { version = "0.4.5", default-features = false, features = ["std"] }
-
-[features]
-# Build xmpp-parsers to make components instead of clients.
-component = []
-# Disable validation of unknown attributes.
-disable-validation = []
-serde = ["jid/serde"]
-
-[package.metadata.docs.rs]
-rustdoc-args = [ "--sort-modules-by-appearance", "-Zunstable-options" ]