chore: remove repetitive word in comment

Signed-off-by: spuradage <spuradage@outlook.com>

Author: spuradage

bchrpc/documentation/client_usage.md

@@ -26,7 +26,7 @@ different languages:
 - [Python](#python)
 
 Unless otherwise stated under the language example, it is assumed that
-gRPC is already already installed.  The gRPC installation procedure
+gRPC is already installed.  The gRPC installation procedure
 can vary greatly depending on the operating system being used and
 whether a gRPC source install is required.  Follow the [gRPC install
 instructions](https://github.com/grpc/grpc/blob/master/INSTALL) if

btcjson/error.go

@@ -27,7 +27,7 @@ const (
 	ErrInvalidType
 
 	// ErrEmbeddedType indicates the provided command struct contains an
-	// embedded type which is not not supported.
+	// embedded type which is not supported.
 	ErrEmbeddedType
 
 	// ErrUnexportedField indiciates the provided command struct contains an

integration/rpctest/utils.go

@@ -30,7 +30,7 @@ const (
 // JoinNodes is a synchronization tool used to block until all passed nodes are
 // fully synced with respect to an attribute. This function will block for a
 // period of time, finally returning once all nodes are synced according to the
-// passed JoinType. This function be used to to ensure all active test
+// passed JoinType. This function be used to ensure all active test
 // harnesses are at a consistent state before proceeding to an assertion or
 // check within rpc tests.
 func JoinNodes(nodes []*Harness, joinType JoinType) error {