[clang-tools-extra] [clang-tidy][NFC] Remove regex hacks to match full lines in tests (PR #162293)

[Nicolas van Kempen via cfe-commits]

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@@ -203,14 +203,14 @@ template <typename T>
 struct DependentBase {
   int depValue;
   // CHECK-MESSAGES: :[[@LINE-1]]:7: warning: invalid case style for member 'depValue'
-  // CHECK-FIXES:  {{^}}  int DepValue;
+  // CHECK-FIXES:  int DepValue;
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nicovank wrote:

Was already there, but might as well fix the one extra space.

https://github.com/llvm/llvm-project/pull/162293