Issue #17047: removed doubled words in Doc/*, Mac/*, and Tool/*
found by Serhiy Storchaka and Matthew Barnett
diff --git a/Tools/pybench/README b/Tools/pybench/README
index 022c8de..2061cab 100644
--- a/Tools/pybench/README
+++ b/Tools/pybench/README
@@ -3,7 +3,7 @@
PYBENCH - A Python Benchmark Suite
________________________________________________________________________
- Extendable suite of of low-level benchmarks for measuring
+ Extendable suite of low-level benchmarks for measuring
the performance of the Python implementation
(interpreter, compiler or VM).