Remove no longer used GPU.CheckFramebufferValidDuration

gpu/command_buffer/service/gles2_cmd_decoder.cc

Index: gpu/command_buffer/service/gles2_cmd_decoder.cc
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder.cc b/gpu/command_buffer/service/gles2_cmd_decoder.cc
index 3c2f69440091f8020df96bec44979fa8f6892b18..5207d8a734b084681be40c30deef45152228ecae 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder.cc
+++ b/gpu/command_buffer/service/gles2_cmd_decoder.cc
@@ -4263,8 +4263,6 @@ bool GLES2DecoderImpl::CheckFramebufferValid(
     GLenum target,
     GLenum gl_error,
     const char* func_name) {
-  SCOPED_UMA_HISTOGRAM_TIMER("GPU.CheckFramebufferValidDuration");
-
   if (!framebuffer) {
     if (surfaceless_)
       return false;