Update .wordlist.txt

Remove defaultValue, an example of the camelcase we are working around, to trigger test on PR

Author: kliao-csa

.github/.wordlist.txt

@@ -382,7 +382,6 @@ DefaultOTARequestor
 DefaultOTARequestorDriver
 DefaultOTARequestorStorage
 DefaultSuccess
-defaultValue
 definedValue
 DehumidificationControl
 DelayedActionTime
@@ -1621,4 +1620,4 @@ zephyrproject
 zhengyaohan
 Zigbee
 zigbeealliance
-zigbeethread
+zigbeethread