Remove references to RUSTC_BOOTSTRAP in documentation (#28)

See https://internals.rust-lang.org/t/why-is-rustc-bootstrap-so-actively-discouraged/24123/6
for rationale

Author: MusicalNinjaDad

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "try_v2"
-version = "0.3.2"
+version = "0.3.3"
 edition = "2024"
 readme = "README.md"
 description = "Provides a derive macro for `Try` ([try_trait_v2](https://rust-lang.github.io/rfcs/3058-try-trait-v2.html))"

README.md

@@ -7,7 +7,7 @@ and back `where E: From::from<Self<!>>`
 
 ## Requires
 
-- nightly or `RUSTC_BOOTSTRAP = 1`
+- nightly
 - `#![feature(never_type)]`
 - `#![feature(try_trait_v2)]`
 
@@ -64,7 +64,7 @@ See the [full documentation](https://docs.rs/try_v2/latest/try_v2/) for specific
 
 ## MSRV
 
-1.85.1 if you are walking the grey-zone between stable and nightly via `RUSTC_BOOTSTRAP`
+1.85.1, in case you are using a fixed version of nightly just to get access to specific unstable features.
 
 ## Currently untested (may work, may not ...)
 

src/lib.rs

@@ -12,7 +12,7 @@
 //! and back `where E: From::from<Self<!>>`
 //!
 //! ## Requires:
-//!   - nightly or `RUSTC_BOOTSTRAP = 1`
+//!   - nightly
 //!   - `#![feature(never_type)]`
 //!   - `#![feature(try_trait_v2)]`
 //!
@@ -66,7 +66,7 @@
 //! ```
 //!
 //! ## MSRV
-//! 1.85.1 if you are walking the grey-zone between stable and nightly via `RUSTC_BOOTSTRAP`
+//! 1.85.1, in case you are using a fixed version of nightly just to get access to specific unstable features.
 //!
 //! ## Currently untested (may work, may not ...):
 //!   - `where` clauses