[druntime] fiber/switch_context: Update comments

Signed-off-by: Andrei Horodniceanu <a.horodniceanu@proton.me>

Author: the-horo

runtime/druntime/src/core/thread/fiber/switch_context_asm.S

@@ -18,8 +18,8 @@
  * Mark the resulting object file as not requiring execution permissions on
  * stack memory. The absence of this section would mark the whole resulting
  * library as requiring an executable stack, making it impossible to
- * dynamically load druntime on several Linux platforms where this is
- * forbidden due to security policies.
+ * dynamically load druntime on several platforms where this is forbidden
+ * due to security policies.
  */
 .section .note.GNU-stack,"",%progbits
 #endif

runtime/druntime/src/core/thread/fiber/switch_context_riscv.S

@@ -11,8 +11,8 @@
  * Mark the resulting object file as not requiring execution permissions on
  * stack memory. The absence of this section would mark the whole resulting
  * library as requiring an executable stack, making it impossible to
- * dynamically load druntime on several Linux platforms where this is
- * forbidden due to security policies.
+ * dynamically load druntime on several platforms where this is forbidden
+ * due to security policies.
  */
 .section .note.GNU-stack,"",%progbits
 #endif