Removed Hangul checks in shims which crashes Android (ethers-io#1519).

packages/shims/src/index.js

@@ -17,14 +17,21 @@
                     throw new Error("failed to normalize");
                 }
 
+                // @TODO: Must find a better way to detect completely
+                // broken normalize implementations. On some versions
+                // of Android, the following causes the entire app
+                // to abort. Might want to add "check if normalizing
+                // is necessary" to Wordlist; if the entire string is
+                // from CJK planes, no need to call normalize?
+                //
                 // Some platforms seem to only fail when normalizing
                 // specific code planes, so add those here as they
                 // come up.
                 //               "hangul"
-                const checks = [ "\ud55c\uae00" ];
-                for (var j = 0; j < checks.length; j++) {
-                    checks[j].normalize(forms[i]);
-                }
+                //const checks = [ "\ud55c\uae00" ];
+                //for (var j = 0; j < checks.length; j++) {
+                //    checks[j].normalize(forms[i]);
+                //}
             } catch(error) {
                 missing.push(forms[i]);
             }