Transition elasticity rester to new doc

Author: munrojm

mp_api/client/routes/materials/elasticity.py

@@ -3,7 +3,7 @@
 import warnings
 from collections import defaultdict
 
-from emmet.core.elasticity_legacy import ElasticityDoc
+from emmet.core.elasticity import ElasticityDoc
 
 from mp_api.client.core import BaseRester
 

tests/materials/test_elasticity.py

@@ -21,11 +21,18 @@ def rester():
     "fields",
 ]
 
-sub_doc_fields = ["elasticity"]  # type: list
+sub_doc_fields = []  # type: list
 
 alt_name_dict = {
     "elastic_anisotropy": "universal_anisotropy",
     "poisson_ratio": "homogeneous_poisson",
+    "g_voigt": "bulk_modulus",
+    "g_reuss": "bulk_modulus",
+    "g_vrh": "bulk_modulus",
+    "k_voigt": "shear_modulus",
+    "k_reuss": "shear_modulus",
+    "k_vrh": "shear_modulus",
+
 }  # type: dict
 
 custom_field_tests = {}  # type: dict