Enable blurhash in debug

Capping the size at 32x32 means this is fast enough even in un-optimized builds

Tusker.xcodeproj/xcshareddata/xcschemes/Tusker.xcscheme

@@ -104,11 +104,6 @@
             value = ""
             isEnabled = "NO">
          </EnvironmentVariable>
-         <EnvironmentVariable
-            key = "DEBUG_BLUR_HASH"
-            value = "1"
-            isEnabled = "NO">
-         </EnvironmentVariable>
       </EnvironmentVariables>
    </LaunchAction>
    <ProfileAction

Tusker/Vendor/BlurHashDecode.swift

@@ -2,17 +2,9 @@
 /// From https://github.com/woltapp/blurhash/blob/b23214ddcab803fe1ec9a3e6b20558caf33a23a5/Swift/BlurHashDecode.swift
 import UIKit
 
-// blurhashes are disabled in debug builds because this code is hideously slow when not optimized by the compiler
-#if DEBUG
-fileprivate let blurHashesEnabled = ProcessInfo.processInfo.environment.keys.contains("DEBUG_BLUR_HASH")
-#else
-fileprivate let blurHashesEnabled = true
-#endif
-
 extension UIImage {
     public convenience init?(blurHash: String, size: CGSize, punch: Float = 1) {
-        guard blurHashesEnabled,
-              blurHash.count >= 6 else { return nil }
+        guard blurHash.count >= 6 else { return nil }
 
         let sizeFlag = String(blurHash[0]).decode83()
         let numY = (sizeFlag / 9) + 1