Clean old and unused files

Signed-off-by: Frederic Pillon <frederic.pillon@st.com>

Author: fpistm

win/stlink_upload.bat

@@ -14,6 +14,3 @@ rem: ------------- use STLINK CLI
 rem: echo "" is mandatory to exit ST-Link_CLI tools w 3.0.0.0 when "-Run" option is used,
 rem: it now wait Enter key press to quit.
 echo "" | stlink\ST-LINK_CLI.exe -c SWD -P %str% 0x8000000 -Rst -Run
-
-rem: Using the open source texane-stlink instead of the proprietary STM stlink exe
-rem:texane-stlink\st-flash.exe write %str% 0x8000000