Remove petrobox logo also from gerbers

mOsso-B.Cu.gbl

 G04 #@! TF.FileFunction,Copper,L2,Bot,Signal*
 %FSLAX46Y46*%
 G04 Gerber Fmt 4.6, Leading zero omitted, Abs format (unit mm)*
-G04 Created by KiCad (PCBNEW 4.1.0-alpha+201606030946+6874~45~ubuntu16.04.1-product) date Thu Jul 14 05:08:24 2016*
+G04 Created by KiCad (PCBNEW 4.1.0-alpha+201606030946+6874~45~ubuntu16.04.1-product) date Thu Sep  1 14:37:54 2016*
 %MOMM*%
 %LPD*%
 G01*

mOsso-B.Mask.gbs

 G04 #@! TF.FileFunction,Soldermask,Bot*
 %FSLAX46Y46*%
 G04 Gerber Fmt 4.6, Leading zero omitted, Abs format (unit mm)*
-G04 Created by KiCad (PCBNEW 4.1.0-alpha+201606030946+6874~45~ubuntu16.04.1-product) date Thu Jul 14 05:08:24 2016*
+G04 Created by KiCad (PCBNEW 4.1.0-alpha+201606030946+6874~45~ubuntu16.04.1-product) date Thu Sep  1 14:37:55 2016*
 %MOMM*%
 %LPD*%
 G01*

mOsso-Edge.Cuts.gm1

 G04 #@! TF.FileFunction,Profile,NP*
 %FSLAX46Y46*%
 G04 Gerber Fmt 4.6, Leading zero omitted, Abs format (unit mm)*
-G04 Created by KiCad (PCBNEW 4.1.0-alpha+201606030946+6874~45~ubuntu16.04.1-product) date Thu Jul 14 05:08:24 2016*
+G04 Created by KiCad (PCBNEW 4.1.0-alpha+201606030946+6874~45~ubuntu16.04.1-product) date Thu Sep  1 14:37:55 2016*
 %MOMM*%
 %LPD*%
 G01*

mOsso-F.Cu.gtl

 G04 #@! TF.FileFunction,Copper,L1,Top,Signal*
 %FSLAX46Y46*%
 G04 Gerber Fmt 4.6, Leading zero omitted, Abs format (unit mm)*
-G04 Created by KiCad (PCBNEW 4.1.0-alpha+201606030946+6874~45~ubuntu16.04.1-product) date Thu Jul 14 05:08:24 2016*
+G04 Created by KiCad (PCBNEW 4.1.0-alpha+201606030946+6874~45~ubuntu16.04.1-product) date Thu Sep  1 14:37:54 2016*
 %MOMM*%
 %LPD*%
 G01*

mOsso-F.Mask.gts

 G04 #@! TF.FileFunction,Soldermask,Top*
 %FSLAX46Y46*%
 G04 Gerber Fmt 4.6, Leading zero omitted, Abs format (unit mm)*
-G04 Created by KiCad (PCBNEW 4.1.0-alpha+201606030946+6874~45~ubuntu16.04.1-product) date Thu Jul 14 05:08:24 2016*
+G04 Created by KiCad (PCBNEW 4.1.0-alpha+201606030946+6874~45~ubuntu16.04.1-product) date Thu Sep  1 14:37:55 2016*
 %MOMM*%
 %LPD*%
 G01*