Bugfix: move plugin install/remove scripts to "scripts" directory

Change-Id: I0deb04c2e7e0908e8d28ace7ee8fdf27eec65917
Signed-off-by: JingLu5 <lvjing5@huawei.com>

diff --git a/yardstick/resources/script/install/storperf.bash b/yardstick/resources/scripts/install/storperf.bash
similarity index 100%
rename from yardstick/resources/script/install/storperf.bash
rename to yardstick/resources/scripts/install/storperf.bash

diff --git a/yardstick/resources/script/remove/storperf.bash b/yardstick/resources/scripts/remove/storperf.bash
similarity index 100%
rename from yardstick/resources/script/remove/storperf.bash
rename to yardstick/resources/scripts/remove/storperf.bash