Documentation: remove duplicated words

Remove many duplicated words under Documentation/ and do other small
cleanups.

Examples:
        "and and" --> "and"
        "in in" --> "in"
        "the the" --> "the"
        "the the" --> "to the"
        ...

Signed-off-by: Paolo Ornati <ornati@fastwebnet.it>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/Documentation/scsi/ChangeLog.1992-1997 b/Documentation/scsi/ChangeLog.1992-1997
index dc88ee2..6faad7e 100644
--- a/Documentation/scsi/ChangeLog.1992-1997
+++ b/Documentation/scsi/ChangeLog.1992-1997
@@ -1214,7 +1214,7 @@
 
 	* sr.c(sr_open): Do not allow opens with write access.
 
-Mon Jul 18 09:51:22 1994 1994  Eric Youngdale  (eric@esp22)
+Mon Jul 18 09:51:22 1994  Eric Youngdale  (eric@esp22)
 
 	* Linux 1.1.31 released.