Remove mention of disabling features

Author: rcvalle

src/doc/rustc/src/exploit-mitigations.md

@@ -4,9 +4,9 @@
 
 The Rust programming language provides memory[1] and thread[2] safety
 guarantees via its ownership[3], references and borrowing[4], and slice
-types[5] features. However, Unsafe Rust[6] disables some of these features
-by introducing unsafe blocks, unsafe functions and methods, unsafe traits,
-and new types that are not subject to the borrowing rules.
+types[5] features. However, Unsafe Rust[6] introduces unsafe blocks, unsafe
+functions and methods, unsafe traits, and new types that are not subject to
+the borrowing rules.
 
 Parts of the Rust standard library are implemented as safe abstractions over
 unsafe code (and historically have been vulnerable to memory corruption[7]).