Remove white spaces in cz,nl,pl translations

lang/lang_en_cz.txt

@@ -696,7 +696,7 @@
 
 #MSG_SELFTEST_NOTCONNECTED c=20
 "Not connected"
-"Nezapojeno "
+"Nezapojeno"
 
 #MSG_NEW_FIRMWARE_AVAILABLE c=20 r=2
 "New firmware version available:"

lang/lang_en_nl.txt

@@ -1148,7 +1148,7 @@
 
 #MSG_TOTAL_FILAMENT c=19
 "Total filament"
-"Totaal fil.   "
+"Totaal fil."
 
 #MSG_TOTAL_PRINT_TIME c=19
 "Total print time"

lang/lang_en_pl.txt

@@ -696,7 +696,7 @@
 
 #MSG_SELFTEST_NOTCONNECTED c=20
 "Not connected"
-"Nie podlaczono "
+"Nie podlaczono"
 
 #MSG_NEW_FIRMWARE_AVAILABLE c=20 r=2
 "New firmware version available:"