aspell: clean up and remove unused words.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

.aspell.en.pws

@@ -9,7 +9,6 @@ micropayments
 nhops
 retransmitted
 dev
-inflight
 tradeoff
 mixHeader
 uint
@@ -50,7 +49,6 @@ muKey
 sharedSecretSize
 DUP
 sharedSecrets
-firewalled
 xFFFFFFFFFFFF
 revocationsecretkey
 cryptographic
@@ -81,7 +79,6 @@ hopBlindingFactors
 ECDH
 addrlen
 assocData
-blockheight
 ActOne
 ammag
 computeBlindingFactor
@@ -96,9 +93,7 @@ init
 reconnection
 milli
 revocationsig
-unroutable
 NOTIF
-txindex
 generateHeaderPadding
 IPv
 ipv
@@ -158,7 +153,6 @@ ripemd
 md
 ENDIF
 blockchains
-provisorial
 cleartext
 streamBytes
 WISTFULTOLL
@@ -185,15 +179,12 @@ sk
 RoutingInfo
 funder
 Counterintuitively
-basepoints
 decrypts
 sn
 generateFiller
 unrevoked
-bytelen
 ss
 that'd
-retransmitting
 ack
 deobfuscated
 gflen
@@ -226,7 +217,6 @@ retransmission
 decrypted
 sessionKey
 sessionkey
-PRIVMSG
 routingInfoSize
 hostname
 rgb
@@ -240,9 +230,7 @@ hmac
 BIP
 hmacSize
 ratelimit
-Poy
 talkin
-Freenode
 revocationkey
 msat
 func
@@ -257,7 +245,6 @@ Diffie
 IETF
 xFFFFFFFFFFF
 FIXME
-whitespace
 EphemeralKey
 bitcoin
 Bitcoin