bent: remove noisy and low signal benchmarks from benchmarks-50

This is the configuration used by the benchmarking pipeline, and these
benchmarks appear to be low-signal.

Fixes #58534.

Change-Id: Ic49d72081809c68913dcf339d40421e4184d8d08
Reviewed-on: https://go-review.googlesource.com/c/benchmarks/+/468558
Run-TryBot: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Michael Pratt <mpratt@google.com>
Auto-Submit: Michael Knyszek <mknyszek@google.com>
Reviewed-by: David Chase <drchase@google.com>
1 file changed