fix(ledger-core): remove conflicting From impl in ingest.rs (#93)

From<&TransactionInput> for DocumentFields conflicted with Rust's blanket
TryFrom via Into. Keep only TryFrom (the fallible parse-aware version).

Co-authored-by: Claude Sonnet (coordinator) <coordinator@promptexecution.com.au>
Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: 3 people

crates/ledger-core/src/ingest.rs

@@ -108,13 +108,6 @@ pub fn deterministic_tx_id(row: &TransactionInput) -> String {
     blake3::hash(canonical.as_bytes()).to_hex().to_string()
 }
 
-impl From<&TransactionInput> for crate::pipeline::DocumentFields {
-    fn from(row: &TransactionInput) -> Self {
-        Self {
-            amount: row.amount.trim().parse().ok(),
-            ..Self::default()
-        }
-      
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub struct DocumentFieldsParseError {
     pub field: String,