rust: update to 1.80.0

- Remove two upstreamed patches
- Manually refresh one patch
- Automatically refresh another patch

Signed-off-by: Aleksey Vasilenko <aleksey.vasilenko@gmail.com>

lang/rust/Makefile

@@ -5,12 +5,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=rust
-PKG_VERSION:=1.78.0
-PKG_RELEASE:=2
+PKG_VERSION:=1.80.0
+PKG_RELEASE:=1
 
 PKG_SOURCE:=rustc-$(PKG_VERSION)-src.tar.gz
 PKG_SOURCE_URL:=https://static.rust-lang.org/dist/
-PKG_HASH:=ff544823a5cb27f2738128577f1e7e00ee8f4c83f2a348781ae4fc355e91d5a9
+PKG_HASH:=6f606c193f230f6b2cae4576f7b24d50f5f9b25dff11dbf9b22f787d3521d672
 HOST_BUILD_DIR:=$(BUILD_DIR)/host/rustc-$(PKG_VERSION)-src
 
 PKG_MAINTAINER:=Luca Barbato <lu_zero@luminem.org>

lang/rust/patches/0001-Update-xz2-and-use-it-static.patch

@@ -9,12 +9,12 @@ Subject: [PATCH] Update xz2 and use it static
 
 --- a/src/bootstrap/Cargo.toml
 +++ b/src/bootstrap/Cargo.toml
-@@ -61,7 +61,7 @@ tar = "0.4"
+@@ -62,7 +62,7 @@ tar = "0.4"
  termcolor = "1.4"
  toml = "0.5"
  walkdir = "2.4"
 -xz2 = "0.1"
 +xz2 = { version = "0.1", features = ["static"] }
 
  # Dependencies needed by the build-metrics feature
- sysinfo = { version = "0.30", optional = true }
+ sysinfo = { version = "0.30", default-features = false, optional = true }

lang/rust/patches/0003-bump-libc-deps-to-0.2.146.patch

@@ -1,7 +1,7 @@
 This patch bumps all libc dependencies and checksums to 0.2.147, which includes the fix for musl 1.2.4.
 
---- a/vendor/elasticlunr-rs/Cargo.lock
-+++ b/vendor/elasticlunr-rs/Cargo.lock
+--- a/vendor/elasticlunr-rs-3.0.2/Cargo.lock
++++ b/vendor/elasticlunr-rs-3.0.2/Cargo.lock
 @@ -555,9 +555,9 @@ checksum = "e2abad23fbc42b3700f2f279844d
 
  [[package]]
@@ -14,8 +14,8 @@ This patch bumps all libc dependencies and checksums to 0.2.147, which includes
 
  [[package]]
  name = "lindera"
---- a/vendor/libffi/Cargo.lock
-+++ b/vendor/libffi/Cargo.lock
+--- a/vendor/libffi-3.2.0/Cargo.lock
++++ b/vendor/libffi-3.2.0/Cargo.lock
 @@ -10,9 +10,9 @@ checksum = "50d30906286121d95be3d479533b
 
  [[package]]