[clang] [llvm] Disable compiling Flang and running its tests on Clang changes (PR #92740)

[Mehdi Amini via cfe-commits]

================
@@ -68,7 +68,7 @@ function compute-projects-to-test() {
       done
     ;;
     clang)
-      for p in clang-tools-extra compiler-rt flang lldb cross-project-tests; do
+      for p in clang-tools-extra compiler-rt lldb cross-project-tests; do
----------------
joker-eph wrote:

Can we differentiate windows and linux here?

https://github.com/llvm/llvm-project/pull/92740