Rename crates-io.md to README.md for spdlog-{macros,internal}

Author: SpriteOvO

spdlog-internal/Cargo.toml

@@ -2,7 +2,6 @@
 name = "spdlog-internal"
 version = "0.2.0"
 description = "Internal private common code for crate \"spdlog-rs\""
-readme = "crates-io.md"
 edition.workspace = true
 rust-version.workspace = true
 repository.workspace = true

spdlog-internal/crates-io.md spdlog-internal/README.mdspdlog-internal/crates-io.md renamed to spdlog-internal/README.md

@@ -2,7 +2,6 @@
 name = "spdlog-macros"
 version = "0.3.0"
 description = "Macros implementation of crate \"spdlog-rs\""
-readme = "crates-io.md"
 edition.workspace = true
 rust-version.workspace = true
 repository.workspace = true