Fixed dependencies on regtest

Author: Gareth Tribello

regtest/gridtools/rt-vary-nkernels/config

@@ -1,4 +1,4 @@
 type=driver
-plumed_modules=gridtools
+plumed_modules=adjmat
 # this is to test a different name
 arg="--plumed plumed.dat --ixyz trajectory.xyz --dump-forces forces --dump-forces-fmt %8.4f" # --debug-forces forces.num"