Disable i686-unknown-linux-gnu tests for now

Author: Amanieu

.github/workflows/main.yml

@@ -12,7 +12,7 @@ jobs:
         - arm-unknown-linux-gnueabi
         - arm-unknown-linux-gnueabihf
         - armv7-unknown-linux-gnueabihf
-        - i686-unknown-linux-gnu
+        # - i686-unknown-linux-gnu
         - mips-unknown-linux-gnu
         - mips64-unknown-linux-gnuabi64
         - mips64el-unknown-linux-gnuabi64