Bug 1695120: Remove unused BlocksRingBuffer r=profiler-reviewers,canaltinova

Differential Revision: https://phabricator.services.mozilla.com/D194428

Author: neelchauhan

mozglue/baseprofiler/core/platform.cpp

@@ -2299,7 +2299,7 @@ void SamplerThread::Run() {
   // Not *no*-stack-sampling means we do want stack sampling.
   const bool stackSampling = !ProfilerFeature::HasNoStackSampling(features);
 
-  // Use local BlocksRingBuffer&ProfileBuffer to capture the stack.
+  // Use local ProfileBuffer to capture the stack.
   // (This is to avoid touching the CorePS::CoreBuffer lock while
   // a thread is suspended, because that thread could be working with
   // the CorePS::CoreBuffer as well.)

mozglue/baseprofiler/moz.build

@@ -92,7 +92,6 @@ EXPORTS.mozilla += [
     "public/BaseProfilerRAIIMacro.h",
     "public/BaseProfilerState.h",
     "public/BaseProfilerUtils.h",
-    "public/BlocksRingBuffer.h",
     "public/FailureLatch.h",
     "public/leb128iterator.h",
     "public/ModuloBuffer.h",