Fixed various project warnings. Completely disabled nullability checks, went down from ~20k to 195.

Riot/Modules/MatrixKit/Utils/MXKUTI.swift

@@ -20,7 +20,7 @@ import MobileCoreServices
 
 // We do not use the SwiftUTI pod anymore
 // The library is embedded in MatrixKit. See Libs/SwiftUTI/README.md for more details
-//import SwiftUTI
+// import SwiftUTI
 
 /// MXKUTI represents a Universal Type Identifier (e.g. kUTTypePNG).
 /// See https://developer.apple.com/library/archive/documentation/FileManagement/Conceptual/understanding_utis/understand_utis_conc/understand_utis_conc.html#//apple_ref/doc/uid/TP40001319-CH202-SW5 for more information.
@@ -134,6 +134,8 @@ extension MXKUTI {
         self.init(rawValue: uti as String)
     }
     
+    // swiftlint:disable unused_optional_binding
+    
     /// Initialize with local file URL.
     /// This method is currently applicable only to URLs for file system resources.
     ///
@@ -153,6 +155,8 @@ extension MXKUTI {
         }
     }
     
+    // swiftlint:enable unused_optional_binding
+    
     public convenience init?(localFileURL: URL) {
         self.init(localFileURL: localFileURL, loadResourceValues: true)
     }
@@ -173,6 +177,8 @@ extension MXKUTI {
     }
 }
 
+// swiftlint:disable force_unwrapping
+
 // MARK: - Some system defined UTIs
 extension MXKUTI {
     public static let data = MXKUTI(cfRawValue: kUTTypeData)!
@@ -190,6 +196,8 @@ extension MXKUTI {
     public static let xml = MXKUTI(cfRawValue: kUTTypeXML)!
 }
 
+// swiftlint:enable force_unwrapping
+
 // MARK: - Convenience static methods
 extension MXKUTI {