chore: remove outdated prod features (#3525)

plugins/deep-link/examples/app/src-tauri/Cargo.toml

@@ -26,9 +26,3 @@ tauri-plugin-single-instance = { path = "../../../../single-instance", features
   "deep-link",
 ] }
 log = "0.4"
-
-[features]
-# this feature is used for production builds or when `devUrl` points to the filesystem and the built-in dev server is disabled.
-# If you use cargo directly instead of tauri's cli you can use this feature flag to switch between tauri's `dev` and `build` modes.
-# DO NOT REMOVE!!
-prod = ["tauri/custom-protocol"]

plugins/single-instance/examples/vanilla/src-tauri/Cargo.toml

@@ -16,6 +16,3 @@ tauri-plugin-cli = { path = "../../../../cli" }
 
 [build-dependencies]
 tauri-build = { workspace = true }
-
-[features]
-prod = ["tauri/custom-protocol"]

plugins/store/examples/AppSettingsManager/src-tauri/Cargo.toml

@@ -17,8 +17,3 @@ tauri = { workspace = true, features = ["wry", "common-controls-v6", "x11"] }
 serde = { workspace = true }
 serde_json = { workspace = true }
 tauri-plugin-store = { path = "../../../" }
-
-[features]
-# this feature is used for production builds or when `devPath` points to the filesystem
-# DO NOT REMOVE!!
-prod = ["tauri/custom-protocol"]

plugins/updater/tests/app-updater/Cargo.toml

@@ -13,6 +13,3 @@ serde_json = { workspace = true }
 tauri-plugin-updater = { path = "../.." }
 tiny_http = "0.12"
 time = { version = "0.3", features = ["formatting"] }
-
-[features]
-prod = ["tauri/custom-protocol"]

plugins/websocket/examples/tauri-app/src-tauri/Cargo.toml

@@ -15,6 +15,3 @@ tokio-tungstenite = "0.29"
 
 [build-dependencies]
 tauri-build = { workspace = true }
-
-[features]
-prod = ["tauri/custom-protocol"]