chore: remove repetitive words

doc/masscan.8

@@ -294,7 +294,7 @@ An alternative is with the "resume" feature\. A scan has an internal index that
 A script can use this to split smaller tasks across many other machines, such as Amazon EC2 instances\. As each instance completes a job, the script might send a request to a central coordinating server for more work\.
 .
 .SH "SPURIOUS RESETS"
-When scanning TCP using the default IP address of your adapter, the built\-in stack will generate RST packets\. This will prevent banner grabbing\. There are are two ways to solve this\. The first way is to create a firewall rule to block that port from being seen by the stack\. How this works is dependent on the operating system, but on Linux this looks something like:
+When scanning TCP using the default IP address of your adapter, the built\-in stack will generate RST packets\. This will prevent banner grabbing\. There are two ways to solve this\. The first way is to create a firewall rule to block that port from being seen by the stack\. How this works is dependent on the operating system, but on Linux this looks something like:
 .
 .IP "" 4
 .

src/event-timeout.h

@@ -102,7 +102,7 @@ timeouts_add(struct Timeouts *timeouts, struct TimeoutEntry *entry,
                   size_t offset, uint64_t timestamp_expires);
 
 /**
- * Remove an object from the timestamp system that is older than than
+ * Remove an object from the timestamp system that is older than
  * the specified timestamp. This function must be called repeatedly
  * until it returns NULL to remove all the objects that are older
  * than the given timestamp.

src/smack1.c

@@ -1100,7 +1100,7 @@ smack_stage3_sort(struct SMACK *smack)
  * This function currently only works in a very narrow case, for the SMB
  * parser, where all the patterns are "anchored" and none overlap with
  * the SMB patterns. This allows us to modify existing states with
- * the wildcards, without adding new states. Do do this right we need
+ * the wildcards, without adding new states. Do this right we need
  * to duplicate states in order to track wildcards
  ****************************************************************************/
 static void