Remove unused i386 code in Dockerfile (#126520)

script/hassfest/docker.py

@@ -42,15 +42,9 @@ RUN \
     if ls homeassistant/home_assistant_*.whl 1> /dev/null 2>&1; then \
         uv pip install homeassistant/home_assistant_*.whl; \
     fi \
-    && if [ "${{BUILD_ARCH}}" = "i386" ]; then \
-        linux32 uv pip install \
-            --no-build \
-            -r homeassistant/requirements_all.txt; \
-    else \
-        uv pip install \
-            --no-build \
-            -r homeassistant/requirements_all.txt; \
-    fi
+    && uv pip install \
+        --no-build \
+        -r homeassistant/requirements_all.txt
 
 ## Setup Home Assistant Core
 COPY . homeassistant/