Fix Swiftlint warnings

Author: groue

GRDB/Core/Statement.swift

@@ -60,7 +60,7 @@ public final class Statement {
 
     /// The column names, ordered from left to right.
     public lazy var columnNames: [String] = {
-        // swiftlint:disable:next redundant_self_in_closure
+        // swiftlint:disable:next redundant_self
         let sqliteStatement = self.sqliteStatement
         return (0..<CInt(columnCount)).map { String(cString: sqlite3_column_name(sqliteStatement, $0)) }
     }()

GRDB/ValueObservation/Observers/ValueConcurrentObserver.swift

@@ -806,14 +806,14 @@ extension ValueConcurrentObserver: TransactionObserver {
 
     private func asyncFetch(databaseAccess: DatabaseAccess) {
         databaseAccess.dbPool.asyncRead { [self] dbResult in
-            let isNotifying = self.lock.synchronized { self.notificationCallbacks != nil }
+            let isNotifying = lock.synchronized { self.notificationCallbacks != nil }
             guard isNotifying else { return /* Cancelled */ }
 
             let fetchResult = dbResult.flatMap { db in
                 Result { try databaseAccess.fetch(db) }
             }
 
-            self.reduce(fetchResult)
+            reduce(fetchResult)
 
             fetchingStateMutex.withLock { state in
                 switch state {

Scripts/swiftlint.yml

@@ -5,6 +5,7 @@ disabled_rules:
   - comment_spacing
   - cyclomatic_complexity
   - duplicate_enum_cases
+  - duplicate_imports
   - file_length
   - for_where
   - force_cast
@@ -62,7 +63,6 @@ opt_in_rules:
   - redundant_type_annotation
   - shorthand_optional_binding
   - sorted_first_last
-  - sorted_imports
   - toggle_bool
   - unhandled_throwing_task
   - vertical_parameter_alignment_on_call