Remove field alias

This breaking change is documented in:
- Data migration from `cyhy-core` database #8

Co-authored-by: David Redmin <david.redmin@gwe.cisa.dhs.gov>

src/cyhy_db/models/request_doc.py

@@ -68,7 +68,7 @@ class ScanLimit(BaseModel):
 
     model_config = ConfigDict(extra="forbid")
 
-    scan_type: ScanType = Field(..., alias="scanType")
+    scan_type: ScanType
     concurrent: int = Field(ge=0)