Removed more old redirects (still attempting to reduce Jekyll build time)

pubs/pc/software/os2/README.md

@@ -2,8 +2,6 @@
 layout: page
 title: OS/2 Software Guides
 permalink: /pubs/pc/software/os2/
-redirect_from:
-  - /pubs/pc/programming/os2/
 ---
 
 OS/2 Software Development Guides

pubs/pc/software/os2/microsoft/README.md

@@ -2,8 +2,6 @@
 layout: page
 title: Microsoft OS/2 Software Guides
 permalink: /pubs/pc/software/os2/microsoft/
-redirect_from:
-  - /pubs/pc/programming/os2/
 ---
 
 Microsoft OS/2 Software Development Guides

pubs/pc/software/os2/microsoft/ptk10/README.md

@@ -2,8 +2,6 @@
 layout: page
 title: "Microsoft OS/2 Programmer's Toolkit: Welcome"
 permalink: /pubs/pc/software/os2/microsoft/ptk10/
-redirect_from:
-  - /pubs/pc/programming/os2/microsoft/ptk/1.0/
 ---
 
 [Microsoft OS/2 Programmer's Toolkit](../../)

pubs/pc/software/os2/microsoft/ptk10/plguide/README.md

@@ -2,8 +2,6 @@
 layout: page
 title: "Microsoft OS/2 Programmer's Learning Guide"
 permalink: /pubs/pc/software/os2/microsoft/ptk10/plguide/
-redirect_from:
-  - /pubs/pc/programming/os2/microsoft/ptk/1.0/plguide/
 ---
 
 [Microsoft OS/2 Programmer's Learning Guide](../)

pubs/pc/software/os2/microsoft/ptk10/plguide/chapter1/README.md

@@ -2,8 +2,6 @@
 layout: page
 title: "Microsoft OS/2 Programmer's Learning Guide: Introduction"
 permalink: /pubs/pc/software/os2/microsoft/ptk10/plguide/chapter1/
-redirect_from:
-  - /pubs/pc/programming/os2/microsoft/ptk/1.0/plguide/chapter1/
 ---
 
 [Microsoft OS/2 Programmer's Learning Guide](../)

pubs/pc/software/windows/sdk200/README.md

@@ -2,8 +2,6 @@
 layout: page
 title: Windows SDK 2.00
 permalink: /pubs/pc/software/windows/sdk200/
-redirect_from:
-  - /pubs/pc/software/windows/sdk20/
 ---
 
 Windows Software Development Kit 2.00