Revert "[compiler-rt][builtins][RISCV] Set COMPILER_RT_HAS_FLOAT16 for RISC-V compiler-rt tests, fixes test__extendhfsf2"

This reverts commit 55920d92827c7a6dbb5c7d03f37686a46d7f817f.

GitOrigin-RevId: 5bc19fe8f60a02f8f80f9417ceab4653a3191e14
1 file changed