community/go: upgrade to 1.18

Removed patches should no longer be needed:

* disable-flaky-gc-test.patch: marked upstream as flaky
  golang/go@d8ceb13
* disable-flaky-sync-test.patch: has been "deflaked" upstream
  golang/go@b7f3c17

community/go/APKBUILD

@@ -3,7 +3,7 @@
 # Maintainer: Natanael Copa <[email protected]>
 pkgname=go
 # go binaries are statically linked, security updates require rebuilds
-pkgver=1.17.8
+pkgver=1.18
 pkgrel=0
 pkgdesc="Go programming language compiler"
 url="https://go.dev/"
@@ -14,8 +14,6 @@ makedepends="bash"
 checkdepends="binutils-gold"
 subpackages="$pkgname-doc"
 source="https://go.dev/dl/go$pkgver.src.tar.gz
-	disable-flaky-sync-test.patch
-	disable-flaky-gc-test.patch
 	allow-unshare-to-return-enosys.patch
 	"
 case "$CARCH" in
@@ -198,8 +196,6 @@ package() {
 }
 
 sha512sums="
-21d5c51ce62bc3b987dd5bf7c6b7e1a934fe40582bfbbe99ca80c26d41253e796a4b9d02c571f1e5ab3fd7c3950175e23b9929b0d934f421c96a6d6128c44668  go1.17.8.src.tar.gz
-988a436727aefc5124702bd70cb01bb457a921affcdd03e17f78937685482e899080d95baf125e054d1f634dae5c747d05a3662f1f4f462b87965b06270c788f  disable-flaky-sync-test.patch
-ab4aa83d8a9bf10bbb93ad029095b47c6eea7d5532703d84449884039116e07897871649feb1df8128f10257cbdb5d7eb03820ab0f1a3f60315e195302f6e516  disable-flaky-gc-test.patch
+f10356df9099e4d027415be5c73bd2551f2f941a31feb21e1ccc03b7d8faa1844f0a639a508e990712e11ec335675e57504edb323fa1eee63e1d09b8523b3b0d  go1.18.src.tar.gz
 6017caacf77c2911e9e882878fdaa2ed066b76b7e97b2ad776bc33d96b21cabc802966473946642c86a8f985c69adcc5e7ea61684f6d0dbacd468a6aad687229  allow-unshare-to-return-enosys.patch
 "