fix(Linux): remove invalid guide to put c66x out of reset

The instructions in the How-to guide to put c66x core out of reset are
no longer valid. Remove the guide and its call sites.

Signed-off-by: Beleswar Padhi <[email protected]>

Author: 3V3RYONE

configs/AM57X/AM57X_linux_toc.txt

@@ -150,7 +150,6 @@ linux/How_to_Guides/Target/Processor_SDK_Linux_File_System_Optimization_Customiz
 linux/How_to_Guides/Target/How_to_add_a_JVM
 linux/How_to_Guides/Target/How_to_use_a_Mouse_instead_of_the_Touchscreen_with_Matrix
 linux/How_to_Guides/Target/Update_U-Boot_Environment_Variables_stored_in_SPI_Flash_from_Linux
-linux/How_to_Guides/Target/Taking_the_C66x_Out_Of_Reset_with_Linux_Running_on_the_ARM_A15
 linux/How_to_Guides/Target/How_to_Change_dtb_File
 linux/How_to_Guides/Target/How_to_fix_y2k38
 linux/How_to_Guides/Target/How_to_Set_Display_for_AM572x_GP_EVM

configs/GEN/GEN_linux_toc.txt

@@ -171,7 +171,6 @@ linux/How_to_Guides/Target/Processor_SDK_Linux_File_System_Optimization_Customiz
 linux/How_to_Guides/Target/How_to_add_a_JVM
 linux/How_to_Guides/Target/How_to_use_a_Mouse_instead_of_the_Touchscreen_with_Matrix
 linux/How_to_Guides/Target/Update_U-Boot_Environment_Variables_stored_in_SPI_Flash_from_Linux
-linux/How_to_Guides/Target/Taking_the_C66x_Out_Of_Reset_with_Linux_Running_on_the_ARM_A15
 linux/How_to_Guides/Target/How_to_Change_dtb_File
 linux/How_to_Guides/Target/How_to_Set_Display_for_AM572x_GP_EVM
 linux/How_to_Guides/Target/How_to_Boot_Beagle_Bone_Black_with_Processor_SDK_Linux