Remove more junk files and scripts (#20682)

keyboards/amjkeyboard/amj40/keymaps/myee/build.sh

@@ -1,42 +0,0 @@
-#!/bin/bash
-# adjust for cpu 
-# -j 16 gave best result on a hyperthreaded quad core core i7
-
-LIMIT=10
-THREADS="-j 16"
-KMAP=iso_split_rshift
-
-echo "We need sudo later"
-sudo ls 2>&1 /dev/null
-
-function wait_bootloader {
-	echo "Waiting for Bootloader..."
-	local STARTTIME=$(date +"%s")
-	local REMIND=0
-    local EXEC=dfu-programmer
-    local TARGET=atmega32u4
-	while true
-	do
-		sudo $EXEC $TARGET get > /dev/null 2>&1
-		[ $? -eq 0 ] && break
-		ENDTIME=$(date +"%s")
-		DURATION=$(($ENDTIME-$STARTTIME))
-		if [ $REMIND -eq 0 -a $DURATION -gt $LIMIT ]
-		then 
-			echo "Did you forget to press the reset button?"
-			REMIND=1
-		fi
-        sleep 1
-	done
-}
-make clean
-make KEYMAP=${KMAP} ${THREADS}
-if [[ $? -eq 0 ]]
-then
-    echo "please trigger flashing!"
-    wait_bootloader
-    sudo make KEYMAP=${KMAP} dfu ${THREADS}
-else
-    echo "make failed"
-    exit 77
-fi