fix(plat): remove fvp_r

The platform has not been maintained for some years and is generally
broken. Remove it to avoid confusion.

Change-Id: I93d832d51e114689ec79969af5d96071a03f4a88
Signed-off-by: Boyan Karatotev <boyan.karatotev@arm.com>
diff --git a/docs/plat/arm/index.rst b/docs/plat/arm/index.rst
index 35c0c59..652337e 100644
--- a/docs/plat/arm/index.rst
+++ b/docs/plat/arm/index.rst
@@ -7,7 +7,6 @@
 
    juno/index
    fvp/index
-   fvp_r/index
    fvp-ve/index
    tc/index
    arm_fpga/index
@@ -22,4 +21,4 @@
 
 --------------
 
-*Copyright (c) 2019-2024, Arm Limited. All rights reserved.*
+*Copyright (c) 2019-2025, Arm Limited. All rights reserved.*