Remove obsolete `set-timestamps-from-git` script

This was part of the old TravisCI build system, and is no longer needed.

Signed-off-by: Michael Richters <gedankenexperimenter@gmail.com>

Makefile

@@ -97,9 +97,6 @@ build-gtest-gmock:
 	(cd testing/googletest && cmake -H. -Bbuild -DCMAKE_C_COMPILER=$(call _arduino_prop,compiler.path)$(call _arduino_prop,compiler.c.cmd) -DCMAKE_CXX_COMPILER=$(call _arduino_prop,compiler.path)$(call _arduino_prop,compiler.cpp.cmd)  .)
 	$(MAKE) -C testing/googletest
 
-adjust-git-timestamps:
-	bin/set-timestamps-from-git
-
 find-filename-conflicts:
 	bin/find-filename-conflicts
 

bin/set-timestamps-from-git

@@ -1,15 +0,0 @@
-#!/bin/bash -e
-
-# This script sets all of the files inside src and example to have mtimes
-# that match the times of the last git commit that touched each file
-
-# This can be useful when build tools depend on file timestamps to
-# make caching decisions
-
-find src examples -type f -exec sh -c '
-  timestamp=$(git log --pretty=format:%ad --date=format:%Y%m%d%H%M.%S -n 1 HEAD "$1" 2> /dev/null)
-  if [ "x$timestamp" != "x" ]; then
-    touch -t "$timestamp" "$1"
-  fi
-' sh {} \;
-