Revert "[IR] Explicitly specify target feature for module asm" (#207399)
Reverts llvm/llvm-project#204548
This is causing the runtimes build to fail with e.g.:
```
<inline asm>:11:5: error: 32 bit reloc applied to a field with a different size
11 | jmp __interceptor_strlen@plt
| ^
```
See comments on the PR.