ContactDetailsViewController: Update initializer.

Riot/Modules/Communities/Home/GroupHomeViewController.m

@@ -807,7 +807,7 @@
             contact = [[MXKContact alloc] initMatrixContactWithDisplayName:userId andMatrixID:userId];
         }
         
-        ContactDetailsViewController *contactDetailsViewController = [ContactDetailsViewController contactDetailsViewController];
+        ContactDetailsViewController *contactDetailsViewController = [ContactDetailsViewController instantiate];
         contactDetailsViewController.enableVoipCall = NO;
         contactDetailsViewController.contact = contact;
         

Riot/Modules/Communities/Members/GroupParticipantsViewController.m

@@ -964,7 +964,7 @@
     
     if (contact)
     {
-        ContactDetailsViewController *contactDetailsViewController = [ContactDetailsViewController contactDetailsViewController];
+        ContactDetailsViewController *contactDetailsViewController = [ContactDetailsViewController instantiate];
         contactDetailsViewController.enableVoipCall = NO;
         contactDetailsViewController.contact = contact;
         

Riot/Modules/Contacts/Details/ContactDetailsViewController.h

@@ -69,8 +69,6 @@ typedef enum : NSUInteger
  @discussion This is the designated initializer for programmatic instantiation.
  @return An initialized `ContactDetailsViewController` object if successful, `nil` otherwise.
  */
-+ (instancetype)contactDetailsViewController;
-
 + (instancetype)instantiate;
 
 @end

Riot/Modules/Contacts/Details/ContactDetailsViewController.m

@@ -98,17 +98,12 @@
                           bundle:[NSBundle bundleForClass:self.class]];
 }
 
-+ (instancetype)contactDetailsViewController
++ (instancetype)instantiate
 {
     return [[[self class] alloc] initWithNibName:NSStringFromClass(self.class)
                                           bundle:[NSBundle bundleForClass:self.class]];
 }
 
-+ (instancetype)instantiate
-{
-    return [self contactDetailsViewController];
-}
-
 #pragma mark -
 
 - (void)finalizeInit