[clang] [flang] [flang][driver] Remove Fortain_main static library from linking stages (PR #75816)

[Andrzej Warzyński via cfe-commits]

================
@@ -163,6 +163,40 @@ forward compiler options to the frontend driver, `flang-new -fc1`.
 You can read more on the design of `clangDriver` in Clang's [Driver Design &
 Internals](https://clang.llvm.org/docs/DriverInternals.html).
 
+## Linker Driver
----------------
banach-space wrote:

It might be worth adding  an example, e.g.:
```
flang-new file.f90 -###
// editied output here
```

https://github.com/llvm/llvm-project/pull/75816