tests/test-1102

tests: removed redundant "-u test" from test scripts

The tests are executed with a .hgrc file which adds "-u test" by
default.

#!/bin/sh

rm -rf a
hg init a
cd a
echo a > a
hg ci -Am0
hg tag t1 # 1
hg tag --remove t1 # 2

hg co 1
hg tag -r0 t1
hg tags