[llvm] [readtapi] Cleanup printing command line options (PR #75106)

[Cyndy Ishida via llvm-commits]

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@@ -4,12 +4,17 @@
 ; RUN: not llvm-readtapi -merge -compare -compact %t/tmp.tbd %t/tmp2.tbd 2>&1 | FileCheck %s --check-prefix MULTI_ACTION
 // Check unsupported file output format.
 ; RUN: not llvm-readtapi -merge -compact %t/tmp.tbd %t/tmp2.tbd --filetype=tbd-v2 2>&1 | FileCheck %s --check-prefix FILE_FORMAT 
+// Check version printing.
+; RUN: llvm-readtapi -v 2>&1 | FileCheck %s --check-prefix VERSION
+; RUN: llvm-readtapi --version 2>&1 | FileCheck %s --check-prefix VERSION
 
-CHECK: OVERVIEW: LLVM TAPI file reader and manipulator
-CHECK: USAGE: llvm-readtapi [options] [-arch <arch>]* <inputs> [-o <output>]*
-CHECK: OPTIONS:
-CHECK:   -help    display this help
+; CHECK: OVERVIEW: LLVM TAPI file reader and manipulator
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cyndyishida wrote:

`transformer`? 

https://github.com/llvm/llvm-project/pull/75106