chore: update documentation URLs to use workspace setting

Replace all docs.rs documentation URLs with documentation.workspace = true
to inherit from the workspace's docs.pezkuwichain.io URL.

bizinikiwi/pezframe/staking-async/runtimes/preset-store/Cargo.toml

@@ -8,7 +8,7 @@ description = "Simple pezpallet to store the preset used to generate a runtime's
 license.workspace = true
 homepage.workspace = true
 repository.workspace = true
-documentation = "https://docs.rs/pezpallet-staking-async-preset-store"
+documentation.workspace = true
 
 
 [dependencies]

bizinikiwi/pezframe/staking-async/runtimes/rc/Cargo.toml

@@ -9,7 +9,7 @@ license.workspace = true
 homepage.workspace = true
 repository.workspace = true
 publish = false
-documentation = "https://docs.rs/pezpallet-staking-async-rc-runtime"
+documentation.workspace = true
 
 [lints]
 workspace = true

bizinikiwi/pezframe/staking-async/runtimes/rc/constants/Cargo.toml

@@ -7,7 +7,7 @@ edition.workspace = true
 license.workspace = true
 homepage.workspace = true
 repository.workspace = true
-documentation = "https://docs.rs/pezpallet-staking-async-rc-runtime-constants"
+documentation.workspace = true
 
 [package.metadata.pezkuwi-sdk]
 exclude-from-umbrella = true

bizinikiwi/pezframe/staking-async/runtimes/teyrchain/Cargo.toml

@@ -8,7 +8,7 @@ license.workspace = true
 homepage.workspace = true
 repository.workspace = true
 publish = false
-documentation = "https://docs.rs/pezpallet-staking-async-teyrchain-runtime"
+documentation.workspace = true
 
 [lints]
 workspace = true