feat: revert "feat: add functions to common.libsonnet for warpstream" (#14129)

Author: grobinson-grafana

production/ksonnet/loki/common.libsonnet

@@ -44,45 +44,6 @@ local k = import 'ksonnet-util/kausal.libsonnet';
       container.mixin.readinessProbe.httpGet.withPort($._config.http_listen_port) +
       container.mixin.readinessProbe.withInitialDelaySeconds(15) +
       container.mixin.readinessProbe.withTimeoutSeconds(1),
-
-    // parseCPU is used for conversion of Kubernetes CPU units to the corresponding float value of CPU cores.
-    // Moreover, the function assumes the input is in a correct Kubernetes format, i.e., an integer, a float,
-    // a string representation of an integer or a float, or a string containing a number ending with 'm'
-    // representing a number of millicores.
-    // Examples:
-    // parseCPU(10) = parseCPU("10") = 10
-    // parseCPU(4.5) = parse("4.5") = 4.5
-    // parseCPU("3000m") = 3000 / 1000
-    // parseCPU("3580m") = 3580 / 1000
-    // parseCPU("3980.7m") = 3980.7 / 1000
-    // parseCPU(0.5) = parse("0.5") = parse("500m") = 0.5
-    parseCPU(v)::
-      if std.isString(v) && std.endsWith(v, 'm') then std.parseJson(std.rstripChars(v, 'm')) / 1000
-      else if std.isString(v) then std.parseJson(v)
-      else if std.isNumber(v) then v
-      else 0,
-
-    // siToBytes is used to convert Kubernetes byte units to bytes.
-    // Only works for limited set of SI prefixes: Ki, Mi, Gi, Ti.
-    siToBytes(str):: (
-      // Utility converting the input to a (potentially decimal) number of bytes
-      local siToBytesDecimal(str) = (
-        if std.endsWith(str, 'Ki') then (
-          std.parseJson(std.rstripChars(str, 'Ki')) * std.pow(2, 10)
-        ) else if std.endsWith(str, 'Mi') then (
-          std.parseJson(std.rstripChars(str, 'Mi')) * std.pow(2, 20)
-        ) else if std.endsWith(str, 'Gi') then (
-          std.parseJson(std.rstripChars(str, 'Gi')) * std.pow(2, 30)
-        ) else if std.endsWith(str, 'Ti') then (
-          std.parseJson(std.rstripChars(str, 'Ti')) * std.pow(2, 40)
-        ) else (
-          std.parseJson(str)
-        )
-      );
-
-      // Round down to nearest integer
-      std.floor(siToBytesDecimal(str))
-    ),
   },
 
   // functions for k8s objects