Remove native dependencies in favor of rustls and sqlite-bundled.

This VASTLY simplifies building for Android and Windows targets.

Cargo.toml

@@ -30,15 +30,22 @@ eyeball-im = "0.4.2"
 futures-util = "0.3"
 imbl = { version = "2.0.0", features = ["serde"] }  # same as matrix-sdk-ui
 imghdr = "0.7.0"
-matrix-sdk = { git = "https://github.com/matrix-org/matrix-rust-sdk", features = [ "experimental-sliding-sync" ] }
-matrix-sdk-ui = { git = "https://github.com/matrix-org/matrix-rust-sdk" }
+matrix-sdk = { git = "https://github.com/matrix-org/matrix-rust-sdk", default-features = false, features = [ "experimental-sliding-sync", "e2e-encryption", "automatic-room-key-forwarding", "sqlite", "rustls-tls", "bundled-sqlite" ] }
+matrix-sdk-ui = { git = "https://github.com/matrix-org/matrix-rust-sdk", default-features = false, features = [ "e2e-encryption", "rustls-tls" ] }
 rangemap = "1.5.0"
 tokio = { version = "1.33.0", features = ["macros", "rt-multi-thread"] }
 tracing-subscriber = "0.3.17"
 unicode-segmentation = "1.10.1"
 url = "2.2.2"
 
 
+###################################################################################################
+#### Note: we now enable the usage of `rustls-tls` and the `bundled-sqlite` features in the 2  ####
+####       matrix crate dependencies, so the below android- and windows-specific dependencies  ####
+####       are no longer needed. However, if you wish to disable those features, you would     ####
+####       need to re-enable the below target-specific dependencies.                           ####
+###################################################################################################
+
 ## On Android, we currently build OpenSSL and SQLite from
 ## the vendored source code, because on macOS hosts there aren't yet
 ## prebuilt versions readily available, nor easily-configured pkg-config sysroots
@@ -54,9 +61,10 @@ url = "2.2.2"
 ## but there's no way to specify that in Cargo.toml, so we just always include them.
 ## Plus, this makes builds more reproducible across host systems,
 ## and avoids the issue of needing to set up pkg-config sysroots on Linux.
-[target.'cfg(target_os = "android")'.dependencies]
-openssl = { version = "*", features = ["vendored"] }
-rusqlite = { version = "*", features = ["bundled"] }
+##
+# [target.'cfg(target_os = "android")'.dependencies]
+# openssl = { version = "*", features = ["vendored"] }
+# rusqlite = { version = "*", features = ["bundled"] }
 
 ## On Windows, there are prebuilt versions of sqlite3 available,
 ## but building it from bundled source is just easier and works out of the box.
@@ -68,8 +76,9 @@ rusqlite = { version = "*", features = ["bundled"] }
 ## directly from the sqlite website: <https://www.sqlite.org/download.html>,
 ## where you'll want the 64-bit DLL (x64) under "Precompiled Binaries for Windows".
 ## You'll need to add the directory of that prebuilt sqlite DLL to your path env variable.
-[target.'cfg(target_os = "windows")'.dependencies]
-rusqlite = { version = "*", features = ["bundled"] }
+##
+# [target.'cfg(target_os = "windows")'.dependencies]
+# rusqlite = { version = "*", features = ["bundled"] }
 
 
 [package.metadata.docs.rs]