remove limit_cores.h from build.yaml
diff --git a/build.yaml b/build.yaml
index 8f21768..8f47806 100644
--- a/build.yaml
+++ b/build.yaml
@@ -1289,7 +1289,6 @@
   - test/cpp/qps/driver.h
   - test/cpp/qps/histogram.h
   - test/cpp/qps/interarrival.h
-  - test/cpp/qps/limit_cores.h
   - test/cpp/qps/parse_json.h
   - test/cpp/qps/qps_worker.h
   - test/cpp/qps/report.h
diff --git a/tools/run_tests/generated/sources_and_headers.json b/tools/run_tests/generated/sources_and_headers.json
index deadec2..8bf9dfd 100644
--- a/tools/run_tests/generated/sources_and_headers.json
+++ b/tools/run_tests/generated/sources_and_headers.json
@@ -5525,7 +5525,6 @@
       "test/cpp/qps/driver.h", 
       "test/cpp/qps/histogram.h", 
       "test/cpp/qps/interarrival.h", 
-      "test/cpp/qps/limit_cores.h", 
       "test/cpp/qps/parse_json.h", 
       "test/cpp/qps/qps_worker.h", 
       "test/cpp/qps/report.h", 
@@ -5545,7 +5544,6 @@
       "test/cpp/qps/driver.h", 
       "test/cpp/qps/histogram.h", 
       "test/cpp/qps/interarrival.h", 
-      "test/cpp/qps/limit_cores.h", 
       "test/cpp/qps/parse_json.cc", 
       "test/cpp/qps/parse_json.h", 
       "test/cpp/qps/qps_worker.cc", 
diff --git a/vsprojects/vcxproj/qps/qps.vcxproj b/vsprojects/vcxproj/qps/qps.vcxproj
index 8b98b5e..2d78926 100644
--- a/vsprojects/vcxproj/qps/qps.vcxproj
+++ b/vsprojects/vcxproj/qps/qps.vcxproj
@@ -151,7 +151,6 @@
     <ClInclude Include="$(SolutionDir)\..\test\cpp\qps\driver.h" />
     <ClInclude Include="$(SolutionDir)\..\test\cpp\qps\histogram.h" />
     <ClInclude Include="$(SolutionDir)\..\test\cpp\qps\interarrival.h" />
-    <ClInclude Include="$(SolutionDir)\..\test\cpp\qps\limit_cores.h" />
     <ClInclude Include="$(SolutionDir)\..\test\cpp\qps\parse_json.h" />
     <ClInclude Include="$(SolutionDir)\..\test\cpp\qps\qps_worker.h" />
     <ClInclude Include="$(SolutionDir)\..\test\cpp\qps\report.h" />
diff --git a/vsprojects/vcxproj/qps/qps.vcxproj.filters b/vsprojects/vcxproj/qps/qps.vcxproj.filters
index 111b133..f25be9a 100644
--- a/vsprojects/vcxproj/qps/qps.vcxproj.filters
+++ b/vsprojects/vcxproj/qps/qps.vcxproj.filters
@@ -60,9 +60,6 @@
     <ClInclude Include="$(SolutionDir)\..\test\cpp\qps\interarrival.h">
       <Filter>test\cpp\qps</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\test\cpp\qps\limit_cores.h">
-      <Filter>test\cpp\qps</Filter>
-    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\test\cpp\qps\parse_json.h">
       <Filter>test\cpp\qps</Filter>
     </ClInclude>