[compiler-rt] [PGO] Remove calls to `__llvm_orderfile_dump()` in `instrprof-api.c` test (PR #79150)

[Qiongsi Wu via llvm-commits]

qiongsiwu wrote:

Solaris build succeeded https://lab.llvm.org/buildbot/#/builders/72/builds/2033. 

https://github.com/llvm/llvm-project/pull/79150