[libgdata: 2/4] tests: Drop callgrind, massif and memcheck wrappers

[Philip Withnall <pwithnall src gnome org>]

commit f84789297ec05f56ecbde05ffb130288e638c0f6
Author: Philip Withnall <withnall endlessm com>
Date:   Tue Jun 25 12:39:07 2019 +0100

    tests: Drop callgrind, massif and memcheck wrappers
    
    These can now be run much more simply by using the `--wrapper` argument
    to `meson test`. For example: `meson test --wrapper=valgrind`.
    
    Signed-off-by: Philip Withnall <withnall endlessm com>

 gdata/tests/callgrind | 3 ---
 gdata/tests/massif    | 6 ------
 gdata/tests/memcheck  | 4 ----
 3 files changed, 13 deletions(-)