[CMake] Remove BOLT from Fuchsia toolchain

Fuchsia toolchain is currently broken due to
https://reviews.llvm.org/D151595. While we wait for it to be resolved,
remove BOLT to unbreak the Fuchsia toolchain build.

Differential Revision: https://reviews.llvm.org/D150939

GitOrigin-RevId: af4da3d7463028542c77397c3da0ced76e1e97c3
1 file changed