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/video4linux/README.pvrusb2 b/Documentation/video4linux/README.pvrusb2
index c73a32c..a4b7ae8 100644
--- a/Documentation/video4linux/README.pvrusb2
+++ b/Documentation/video4linux/README.pvrusb2
@@ -155,7 +155,7 @@
   pvrusb2-i2c-core.[ch] - This module provides an implementation of a
     kernel-friendly I2C adaptor driver, through which other external
     I2C client drivers (e.g. msp3400, tuner, lirc) may connect and
-    operate corresponding chips within the the pvrusb2 device.  It is
+    operate corresponding chips within the pvrusb2 device.  It is
     through here that other V4L modules can reach into this driver to
     operate specific pieces (and those modules are in turn driven by
     glue logic which is coordinated by pvrusb2-hdw, doled out by
diff --git a/Documentation/video4linux/Zoran b/Documentation/video4linux/Zoran
index 040a2c8..deb218f 100644
--- a/Documentation/video4linux/Zoran
+++ b/Documentation/video4linux/Zoran
@@ -144,7 +144,7 @@
 
 The CCIR defines parameters needed for broadcasting the signal.
 The CCIR has defined different standards: A,B,D,E,F,G,D,H,I,K,K1,L,M,N,...
-The CCIR says not much about about the colorsystem used !!!
+The CCIR says not much about the colorsystem used !!!
 And talking about a colorsystem says not to much about how it is broadcast.
 
 The CCIR standards A,E,F are not used any more.