Cygwin: CI: Drop i686 builds

i686 builds just fail with 'Invalid target processor "i686"' since
commit fcb32b7.

.appveyor.yml

@@ -18,10 +18,6 @@ environment:
     CYGWIN_ROOT: C:\cygwin64
     PKGARCH: mingw64-x86_64
     SETUP: setup-x86_64.exe
-  - BUILD: i686-pc-cygwin
-    CYGWIN_ROOT: C:\cygwin
-    PKGARCH: mingw64-i686
-    SETUP: setup-x86.exe
 
 cache: C:\cache
 

.github/workflows/cygwin.yml

@@ -12,8 +12,6 @@ jobs:
         include:
         - target: x86_64-pc-cygwin
           pkgarch: 64
-        - target: i686-pc-cygwin
-          pkgarch: 32
     name: Fedora cross ${{ matrix.target }}
 
     steps:
@@ -55,7 +53,6 @@ jobs:
       matrix:
         include:
         - pkgarch: x86_64
-        - pkgarch: i686
     name: Windows native ${{ matrix.pkgarch }}
 
     steps:
@@ -109,5 +106,5 @@ jobs:
         make install &&
         (cd */newlib; make info man) &&
         (cd */newlib; make install-info install-man) &&
-        (cd */winsup; test "${{ matrix.pkgarch }}" != 'x86_64' || make check || true)
+        (cd */winsup; make check || true)
       shell: C:\cygwin\bin\bash.exe --noprofile --norc -eo pipefail '{0}'