Remove field validation

src/plugin/settings/settings_model.h

@@ -33,19 +33,15 @@
                                                R"json(",
                     "caption": "Access Key ID",
                     "description": "Cloud bucket access key ID",
-                    "defaultValue": "",
-                    "validationErrorMessage": "Access key ID must be >=16 alphanumeric characters (uppercase or 2-7).",
-                    "validationRegex": "^[A-Z1-9]{16,128}$"
+                    "defaultValue": ""
                 },
                 {
                     "type": "PasswordField",
                     "name": ")json" + kSecretKeyPasswordFieldId +
                                                R"json(",
                     "caption": "Secret Key",
                     "description": "Cloud bucket secret key",
-                    "defaultValue": "",
-                    "validationErrorMessage": "Secret key must be 32 or 40 alphanumeric-plus-slash characters",
-                    "validationRegex": "^[A-Za-z0-9\/+=]{32,128}$"
+                    "defaultValue": ""
                 }
             ]
         })json";
@@ -69,20 +65,15 @@
                     "caption": "Endpoint URL",
                     "description": "Set a different endpoint (different region or service)",
                     "defaultValue": ")json" + kDefaultEndpoint +
-                                             R"json(",
-                    "validationErrorMessage": "Endpoint must be a URL (begin with 'http[s]://').",
-                    "validationRegex": "(^$)|(^https?:\/\/.+$)",
-                    "validationRegexFlags": "i"
+                                             R"json("
                 },
                 {
                     "type": "TextField",
                     "name": ")json" + kBucketNameTextFieldId +
                                              R"json(",
                     "caption": "Bucket Name",
                     "description": "Specify a bucket name (leave empty to let the system automatically detect your bucket)",
-                    "defaultValue": "",
-                    "validationErrorMessage": "Bucket name can only contain lowercase letters, numbers, dashes, and dots.",
-                    "validationRegex": "^[-.a-z0-9]*$"
+                    "defaultValue": ""
                 },
                 {
                     "type": "SpinBox",
@@ -112,7 +103,7 @@
     kCredentialGroupBox + (credentialsOnly ? "" : ("," + kAdvancedGroupBox + "," + kPluginWebsiteLink));
 
 // top-level settings model
 static const std::string kEngineSettingsModel = /*suppress newline*/ 1 + R"json(
 {
     "type": "Settings",
     "items":