Remove unnecessary method overrides in PrimaryReplicaConnection

All removed methods are implemented via executeStatement() that ensures connection to the primary instance.

src/Connections/PrimaryReadReplicaConnection.php

@@ -308,16 +308,6 @@ class PrimaryReadReplicaConnection extends Connection
         return parent::rollBack();
     }
 
-    /**
-     * {@inheritDoc}
-     */
-    public function delete($tableName, array $identifier, array $types = [])
-    {
-        $this->ensureConnectedToPrimary();
-
-        return parent::delete($tableName, $identifier, $types);
-    }
-
     /**
      * {@inheritDoc}
      */
@@ -331,33 +321,6 @@ class PrimaryReadReplicaConnection extends Connection
         $this->connections = ['primary' => null, 'replica' => null];
     }
 
-    /**
-     * {@inheritDoc}
-     */
-    public function update($tableName, array $data, array $identifier, array $types = [])
-    {
-        $this->ensureConnectedToPrimary();
-
-        return parent::update($tableName, $data, $identifier, $types);
-    }
-
-    /**
-     * {@inheritDoc}
-     */
-    public function insert($tableName, array $data, array $types = [])
-    {
-        $this->ensureConnectedToPrimary();
-
-        return parent::insert($tableName, $data, $types);
-    }
-
-    public function exec(string $statement): int
-    {
-        $this->ensureConnectedToPrimary();
-
-        return parent::exec($statement);
-    }
-
     /**
      * {@inheritDoc}
      */