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

disks/pcx86/cpm/1.1b/machine.md

@@ -2,9 +2,6 @@
 layout: page
 title: "IBM PC (Model 5150) running CP/M-86 v1.1B"
 permalink: /disks/pcx86/cpm/1.1b/
-redirect_from:
-  - /disks/pc/cpm/1.1b/
-  - /disks/pc/cpm/machine.xml/
 machines:
   - type: pcx86
     id: ibm5150

disks/pcx86/games/infocom/zork1/debugger/machine.md

@@ -2,8 +2,6 @@
 layout: page
 title: "IBM PC (Model 5150) running Zork I with Debugger"
 permalink: /disks/pcx86/games/infocom/zork1/debugger/
-redirect_from:
-  - /disks/pc/games/infocom/zork1/debugger/
 machines:
   - type: pcx86
     debugger: true

disks/pcx86/tools/ibm/bascom/1.00/README.md

@@ -2,8 +2,6 @@
 layout: page
 title: IBM BASIC Compiler 1.00
 permalink: /disks/pcx86/tools/ibm/bascom/1.00/
-redirect_from:
-  - /disks/pc/tools/ibm/bascom/1.00/
 ---
 
 IBM BASIC Compiler 1.00

disks/pcx86/unix/ibm/xenix/1.0/README.md

@@ -2,8 +2,6 @@
 layout: page
 title: IBM PC XENIX 1.0
 permalink: /disks/pcx86/unix/ibm/xenix/1.0/
-redirect_from:
-  - /disks/pc/unix/ibm/xenix/1.0/
 ---
 
 IBM PC XENIX 1.0

disks/pcx86/unix/ibm/xenix/README.md

@@ -2,8 +2,6 @@
 layout: page
 title: XENIX Operating Systems from IBM
 permalink: /disks/pcx86/unix/ibm/xenix/
-redirect_from:
-  - /disks/pc/unix/ibm/xenix/
 ---
 
 IBM PC XENIX

disks/pcx86/windows/win95/4.00.950/debugger/README.md

@@ -2,8 +2,6 @@
 layout: page
 title: "Microsoft Windows 95 (First Retail Release) with Debugger"
 permalink: /disks/pcx86/windows/win95/4.00.950/debugger/
-redirect_from:
-  - /disks/pc/windows/win95/4.00.950/debugger/
 machines:
   - type: pcx86
     id: deskpro386