InvalidInput is unused, so remove it for now

src/github.com/matrix-org/dendrite/roomserver/storage/storage.go

@@ -10,7 +10,7 @@ import (
 // A Database is used to store room events and stream offsets.
 type Database struct {
 	statements statements
-	db    *sql.DB
+	db         *sql.DB
 }
 
 // Open a postgres database.

src/github.com/matrix-org/dendrite/roomserver/types/types.go

@@ -8,17 +8,3 @@ type PartitionOffset struct {
 	// The offset into the partition.
 	Offset int64
 }
-
-// An InvalidInput is a problem that was encountered when processing input.
-type InvalidInput struct {
-	// The topic the input was read from.
-	Topic string
-	// The partition the input was read from.
-	Partition int32
-	// The offset in the partition the input was read from.
-	Offset int64
-	// The value that errored.
-	Value []byte
-	// The error itself
-	Error string
-}