[clang] [analyzer][NFC] Combine similar methods of StreamChecker (PR #70170)

[Balázs Kéri via cfe-commits]

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@@ -1349,7 +1349,7 @@ def warn_omp_extra_tokens_at_eol : Warning<
   "extra tokens at the end of '#pragma omp %0' are ignored">,
   InGroup<ExtraTokens>;
 def err_omp_multiple_step_or_linear_modifier : Error<
-  "multiple %select{'step size'|'linear modifier'}0 found in linear clause">; 
+  "multiple %select{'step size'|'linear modifier'}0 found in linear clause">;
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balazske wrote:

This change is not related (or not intentional), it belongs into another commit.

https://github.com/llvm/llvm-project/pull/70170