[CMake] Remove libLTO from Fuchsia toolchain

Differential Revision: https://reviews.llvm.org/D142649

Author: abrachet

clang/cmake/caches/Fuchsia-stage2.cmake

@@ -289,7 +289,6 @@ set(LLVM_TOOLCHAIN_TOOLS
 set(LLVM_DISTRIBUTION_COMPONENTS
   clang
   lld
-  LTO
   clang-apply-replacements
   clang-doc
   clang-format