Merge duplicate sentences about _asm synonym in __asm reference

Author: Rageking8

docs/assembler/inline/asm.md

@@ -28,7 +28,7 @@ The **`__asm`** keyword invokes the inline assembler and can appear wherever a C
 
 ## Remarks
 
-If used without braces, the **`__asm`** keyword means that the rest of the line is an assembly-language statement. If used with braces, it means that each line between the braces is an assembly-language statement. For compatibility with previous versions, **`_asm`** is a synonym for **`__asm`**.
+If used without braces, the **`__asm`** keyword means that the rest of the line is an assembly-language statement. If used with braces, it means that each line between the braces is an assembly-language statement. For compatibility with previous versions, **`_asm`** is a synonym for **`__asm`** unless compiler option [`/Za` (Disable language extensions)](../../build/reference/za-ze-disable-language-extensions.md) is specified.
 
 Since the **`__asm`** keyword is a statement separator, you can put assembly instructions on the same line.
 
@@ -42,8 +42,6 @@ didn't cause native code to be generated when compiled with **/clr**; the compil
 
 `__asm int 3` now results in native code generation for the function. If you want a function to cause a break point in your code and if you want that function compiled to MSIL, use [__debugbreak](../../intrinsics/debugbreak.md).
 
-For compatibility with previous versions, **`_asm`** is a synonym for **`__asm`** unless compiler option [/Za \(Disable language extensions)](../../build/reference/za-ze-disable-language-extensions.md) is specified.
-
 ## Example
 
 The following code fragment is a simple **`__asm`** block enclosed in braces: