Removed riscv64 arch

Author: dotneft

build.json

@@ -6,8 +6,7 @@
       "linux/arm/v7",
       "linux/arm64",
       "linux/s390x",
-      "linux/ppc64le",
-      "linux/riscv64"
+      "linux/ppc64le"
     ],
     "centos": [
       "linux/amd64",
@@ -25,8 +24,7 @@
       "linux/amd64",
       "linux/arm/v7",
       "linux/arm64",
-      "linux/s390x",
-      "linux/riscv64"
+      "linux/s390x"
     ]
   },
   "os-windows": {