fix: Remove Y2k38 guide

Y2k38 bug was in kirkstone filesystem and resovled in
11.02 scarthgap release. This guide is no longer needed.
Hence remove the references.

Signed-off-by: Telukula Jeevan Kumar Sahu <j-sahu@ti.com>

Author: jeevantelukula

configs/AM437X/AM437X_linux_toc.txt

@@ -125,7 +125,6 @@ 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/Update_U-Boot_Environment_Variables_stored_in_SPI_Flash_from_Linux
 linux/How_to_Guides/Target/How_to_Change_dtb_File
-linux/How_to_Guides/Target/How_to_fix_y2k38
 linux/How_to_Guides_Board_Port
 linux/How_to_Guides/Board_Port/U-Boot
 common/PRU-ICSS/Getting_Started_with_PSSP

configs/AM57X/AM57X_linux_toc.txt

@@ -142,7 +142,6 @@ 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/Update_U-Boot_Environment_Variables_stored_in_SPI_Flash_from_Linux
 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
 linux/How_to_Guides_Hardware_Setup_with_CCS
 linux/How_to_Guides/Hardware_Setup_with_CCS/AM572x_GP_EVM_Hardware_Setup

source/linux/How_to_Guides/Target/How_to_fix_y2k38.rst

@@ -14,4 +14,3 @@ Target
    How_to_Guides/Target/How_to_visualize_statistics_data
    How_to_Guides/Target/How_to_Use_K3Conf_Tool
    How_to_Guides/Target/How_to_Tune_Real_Time_Linux
-   How_to_Guides/Target/How_to_fix_y2k38