HIT: minor dependency inheritance improvements (#1238)

Author: tech3371

sds_data_manager/lambda_code/SDSCode/pipeline_lambdas/dependency_refactoring/dependencies/imap_hit_dependencies.yaml

@@ -4,11 +4,8 @@
 # It contains important information such as the default values and expected behavior of these dependencies,
 # and how to properly configure them for your pipeline lambdas.
 
-
-(l1a, all):
-  - upstream_source: hit
-    upstream_data_type: l0
-    upstream_descriptor: raw
+# ====== Common dependencies =============
+spice_basics: &spice_basics
   - upstream_source: leapseconds
     upstream_data_type: spice
     upstream_descriptor: historical
@@ -18,19 +15,18 @@
     upstream_descriptor: historical
     kickoff_job: false
 
-
-(l1b, hk):
+l0_data: &l0_data
   - upstream_source: hit
     upstream_data_type: l0
     upstream_descriptor: raw
-  - upstream_source: leapseconds
-    upstream_data_type: spice
-    upstream_descriptor: historical
-    kickoff_job: false
-  - upstream_source: spacecraft_clock
-    upstream_data_type: spice
-    upstream_descriptor: historical
-    kickoff_job: false
+
+(l1a, all):
+  - *spice_basics
+  - *l0_data
+
+(l1b, hk):
+  - *spice_basics
+  - *l0_data
 
 
 (l1b, sectored-rates):