[ci] Disable flaky -windows-x64 and add a comment for iOS

.circleci/config.yml

@@ -35,6 +35,8 @@ jobs:
       - run: brew update-reset
       - run: brew install cmake
       # not needed to be a framework but we like to test that also
+      # TODO: wrong way of targeting iOS as it doesn't point to iOS headers thus building
+      # CoreText support is not possible, after the fix feel free HB_IOS from CMake altogether
       - run: cmake -DBUILD_FRAMEWORK=ON -H. -Bbuild -GXcode -DHB_IOS=ON
       - run: cd build && xcodebuild -sdk iphoneos12.0 -configuration Release build -arch arm64
 
@@ -285,14 +287,14 @@ jobs:
       - run: cmake -Bbuild -H. -GNinja
       - run: ninja -Cbuild
 
-  crosscompile-cmake-notest-windows-x64:
-    docker:
-      - image: dockcross/windows-x64
-    steps:
-      - checkout
-      - run: apt update && apt install ragel
-      - run: cmake -Bbuild -H. -GNinja
-      - run: ninja -Cbuild
+  #crosscompile-cmake-notest-windows-x64:
+  #  docker:
+  #    - image: dockcross/windows-x64
+  #  steps:
+  #    - checkout
+  #    - run: apt update && apt install ragel
+  #    - run: cmake -Bbuild -H. -GNinja
+  #    - run: ninja -Cbuild
 
 workflows:
   version: 2
@@ -334,4 +336,4 @@ workflows:
       - crosscompile-cmake-notest-browser-asmjs
       - crosscompile-cmake-notest-linux-arm64
       - crosscompile-cmake-notest-linux-mips
-      - crosscompile-cmake-notest-windows-x64
+      #- crosscompile-cmake-notest-windows-x64