cmd/compile/internal/ppc64: remove unused condOps map
cmd/compile/internal/ppc64: remove unused condOps map

The last use of condOps was removed in c644a76.

Change-Id: I5383d0e7a9078fc17ca12ed032ecf8e7f4aa95d7
Reviewed-on: https://go-review.googlesource.com/41030
Run-TryBot: Dave Cheney <bfcdf3e6ca6cef45543bfbb57509c92aec9a39fb@cheney.net>
TryBot-Result: Gobot Gobot <66cb808b70d30c07676d5e946fee83fd561249e5@golang.org>
Reviewed-by: Brad Fitzpatrick <ae9783c0b0efc69cd85ab025ddd17aa44cdc4aa5@golang.org>

polyverse-security/go,ImJasonH/go,CAFxX/go,Cofyc/go,josharian/go,derekmarcotte/go,codestation/go,Cofyc/go,derekmarcotte/go,nawawi/go,codestation/go,josharian/go,Cofyc/go,polyverse-security/go,cloudflare/go,ImJasonH/go,akutz/go,codestation/go,codestation/go,derekmarcotte/go,vsekhar/elastic-go,polyverse-security/go,ImJasonH/go,vsekhar/elastic-go,golang/go,nawawi/go,ImJasonH/go,ImJasonH/go,vsekhar/elastic-go,josharian/go,josharian/go,golang/go,ImJasonH/go,CAFxX/go,akutz/go,Cofyc/go,ImJasonH/go,nawawi/go,derekmarcotte/go,polyverse-security/go,cloudflare/go,golang/go,derekmarcotte/go,codestation/go,polyverse-security/go,nawawi/go,codestation/go,polyverse-security/go,CAFxX/go,josharian/go,nawawi/go,golang/go,derekmarcotte/go,cloudflare/go,codestation/go,derekmarcotte/go,Cofyc/go,polyverse-security/go,nawawi/go,akutz/go,cloudflare/go,akutz/go,christopher-henderson/Go,CAFxX/go,CAFxX/go,josharian/go,CAFxX/go,akutz/go,golang/go,josharian/go,vsekhar/elastic-go,polyverse-security/go,Cofyc/go,cloudflare/go,codestation/go,josharian/go,derekmarcotte/go,vsekhar/elastic-go,akutz/go,ImJasonH/go,vsekhar/elastic-go,akutz/go,Cofyc/go,cloudflare/go,akutz/go,golang/go,CAFxX/go,golang/go,nawawi/go,vsekhar/elastic-go,nawawi/go,cloudflare/go,golang/go,Cofyc/go,vsekhar/elastic-go,CAFxX/go,cloudflare/go