tests: require revlog store with test-repair-strip.t

This test is doing a number of low-level things with revlogs.
Mark it as requiring the revlog store.

Differential Revision: https://phab.mercurial-scm.org/D3105

tests/test-repair-strip.t

@@ -1,4 +1,4 b''
-#require unix-permissions no-root
+#require unix-permissions no-root reporevlogstore
 
   $ cat > $TESTTMP/dumpjournal.py <<EOF
   > import sys