Update ARRL 10m Mults file (#449)

Updated and reordered the list per the lists at:

https://contests.arrl.org/contestmultipliers.php?a=usa
https://contests.arrl.org/contestmultipliers.php?a=ve
https://contests.arrl.org/contestmultipliers.php?a=xe

for easier matching.

Author: N0NB

share/arrl10m_mults

@@ -5,6 +5,7 @@ AR
 CA
 CO
 CT
+DC
 DE
 FL
 GA
@@ -24,14 +25,14 @@ MN
 MS
 MO
 MT
-NC
-ND
 NE
 NV
 NH
 NJ
 NM
 NY
+NC
+ND
 OH
 OK
 OR
@@ -48,30 +49,29 @@ WA
 WV
 WI
 WY
-DC
+AB
+BC
+LB
+MB
 NB
+NF
 NS
-QC
+NT
+NU
 ON
-MB
+PE
+QC
 SK
-AB
-BC
-NWT
-NF
-LB
 YT
-PEI
-NU
 AGS
 BAC
 BCS
 CAM
 CHI
 CHH
+CMX
 COA
 COL
-DFE
 DGO
 EMX
 GTO