Merge branch 'jc/test-lazy-prereq'

Test-script clean-up.

* jc/test-lazy-prereq:
  tests: drop GIT_*_TIMING_TESTS environment variable support

Author: gitster

t/t3302-notes-index-expensive.sh

@@ -7,8 +7,6 @@ test_description='Test commit notes index (expensive!)'
 
 . ./test-lib.sh
 
-test -n "$GIT_NOTES_TIMING_TESTS" && test_set_prereq EXPENSIVE
-
 create_repo () {
 	number_of_commits=$1
 	nr=0

t/t3419-rebase-patch-id.sh

@@ -4,8 +4,6 @@ test_description='git rebase - test patch id computation'
 
 . ./test-lib.sh
 
-test -n "$GIT_PATCHID_TIMING_TESTS" && test_set_prereq EXPENSIVE
-
 count () {
 	i=0
 	while test $i -lt $1