ci: Try without env

Author: tlsa

.github/workflows/build.yaml

@@ -202,16 +202,15 @@ jobs:
       run: |
         echo "Installing toolchain: ${{ matrix.build.toolchain }}"
         sudo tar -xzf "${{ matrix.build.toolchain }}.tar.gz" -C /
+        rm "${{ matrix.build.toolchain }}.tar.gz"
         ls -l /opt/netsurf/
 
     - name: Build and install project libs
-      env:
-        HOST: ${{ matrix.build.toolchain }}
       run: |
         ls
         export TARGET_WORKSPACE="$(pwd)/projects"
         echo "TARGET_WORKSPACE=$TARGET_WORKSPACE"
-        source docs/env.sh
+        HOST=${{ matrix.build.toolchain }} source docs/env.sh
         echo "Cloning libs..."
         ns-clone -d -s
         echo "Building and installing tools..."
@@ -220,19 +219,15 @@ jobs:
         ns-make-libs install
 
     - name: Build NetSurf
-      env:
-        HOST: ${{ matrix.build.toolchain }}
       run: |
         export TARGET_WORKSPACE="$(pwd)/projects"
-        source docs/env.sh
+        HOST=${{ matrix.build.toolchain }} source docs/env.sh
         make -j"$(nproc)" TARGET=${{ matrix.build.frontend }}
 
     - name: Make package
-      env:
-        HOST: ${{ matrix.build.toolchain }}
       run: |
         export TARGET_WORKSPACE="$(pwd)/projects"
-        source docs/env.sh
+        HOST=${{ matrix.build.toolchain }} source docs/env.sh
         make package TARGET=${{ matrix.build.frontend }}
 
     # Can't avoid `upload-artifact` zipping the package