release: drop support for arm32 linux

.github/workflows/depends.yml

@@ -38,10 +38,6 @@ jobs:
             host: "riscv64-linux-gnu"
             rust_host: "riscv64gc-unknown-linux-gnu"
             packages: "g++-riscv64-linux-gnu"
-          - name: "ARM v7"
-            host: "arm-linux-gnueabihf"
-            rust_host: "armv7-unknown-linux-gnueabihf"
-            packages: "g++-arm-linux-gnueabihf"
           - name: "ARM v8"
             host: "aarch64-linux-gnu"
             rust_host: "aarch64-unknown-linux-gnu"

.github/workflows/guix.yml

@@ -42,7 +42,6 @@ jobs:
         toolchain:
           - target: "x86_64-linux-gnu"
           - target: "aarch64-linux-gnu"
-          - target: "arm-linux-gnueabihf"
           - target: "riscv64-linux-gnu"
           - target: "x86_64-w64-mingw32"
           - target: "x86_64-unknown-freebsd"

contrib/guix/README.md

@@ -171,7 +171,7 @@ details.
   Override the space-separated list of platform triples for which to perform a
   bootstrappable build.
 
-  _(defaults to "x86\_64-linux-gnu aarch64-linux-gnu arm-linux-gnueabihf
+  _(defaults to "x86\_64-linux-gnu aarch64-linux-gnu
   riscv64-linux-gnu x86\_64-w64-mingw32 x86\_64-unknown-freebsd
   x86\_64-apple-darwin arm64-apple-darwin aarch64-linux-android")_
 

contrib/guix/guix-build

@@ -90,7 +90,6 @@ mkdir -p "$VERSION_BASE"
 # Default to building for all supported HOSTs (overridable by environment)
 export HOSTS="${HOSTS:-x86_64-linux-gnu
                        aarch64-linux-gnu
-                       arm-linux-gnueabihf
                        riscv64-linux-gnu
                        x86_64-w64-mingw32
                        x86_64-unknown-freebsd