remove clm5_1 old finidat file so will always use the ne30 new one

bld/namelist_files/namelist_defaults_ctsm.xml

@@ -1013,12 +1013,6 @@ attributes from the config_cache.xml file (with keys converted to upper-case).
          lnd_tuning_mode="clm5_1_GSWP3v1" use_init_interp=".true."
 >lnd/clm2/initdata_map/clmi.I1850Clm50Sp.0181-01-01.0.9x1.25_gx1v7_simyr1850_c200806.nc
 </finidat>
-<finidat hgrid="0.9x1.25"  maxpft="79"  mask="gx1v7" use_cn=".true." use_cndv=".false." use_fates=".false."
-         ic_ymd="18500101" sim_year="1850" do_transient_pfts=".false."
-         ic_tod="0" glc_nec="10" use_crop=".true." irrigate=".false."
-         lnd_tuning_mode="clm5_1_GSWP3v1"
->lnd/clm2/initdata_esmf/ctsm5.2/clmi.I1850Clm50BgcCrop-ciso.1366-01-01.0.9x1.25_gx1v7_simyr1850_c240223.nc
-</finidat>
 <!-- From the clm5_0_cam6.0 setting above...-->
 <!-- Use f09 clm5_0 cam6 spinup file for clm5_1 cam6-->
 <finidat hgrid="0.9x1.25"  maxpft="79"  mask="gx1v7" use_cn=".true." use_cndv=".false." use_fates=".false."