Revert "Checksum name incorrect"

src/ensembl/production/metadata/api/models/assembly.py

@@ -57,15 +57,10 @@ class AssemblySequence(Base):
     length = Column(Integer, nullable=False)
     sequence_location = Column(String(10))
     md5 = Column(String(32))
-    # column need renaming as well
-    sha512t24u = Column(String(128))
+    sha512t4u = Column(String(128))
+    # One to many relationships
+    # none
+    # many to one relationships
+    # assembly_id within assembly
     assembly = relationship('Assembly', back_populates="assembly_sequences")
 
-    # backward compatibility with old column name sha512t2u
-    @property
-    def sha512t2u(self):
-        return self.sha512t24u
-
-    @sha512t2u.setter
-    def sha512t2u(self, checksum):
-        self.sha512t24u = checksum

src/ensembl/production/metadata/api/sample/ensembl_metadata/table.sql

@@ -37,7 +37,7 @@ CREATE TABLE assembly_sequence
     chromosome_rank      int null,
     sequence_location    varchar(10) null,
     md5                  varchar(32) null,
-    sha512t24u            varchar(128) null,
+    sha512t4u            varchar(128) null,
     constraint assembly_sequence_assembly_id_accession_5f3e5119_uniq
         unique (assembly_id, accession),
     constraint assembly_sequence_assembly_id_2a84ddcb_fk_assembly_assembly_id