Revert "Merge pull request #1190 from PennyScissors/relv24-fix-var-interpolation"

This reverts commit 0d90dc3a07, reversing
changes made to 98055cdcb6.

apis/project.cattle.io/v3/schema/schema.go

@@ -582,7 +582,7 @@ func podTypes(schemas *types.Schemas) *types.Schemas {
 		MustImport(&Version, v1.Handler{}, handlerOverride{}).
 		MustImport(&Version, v1.Probe{}, handlerOverride{}).
 		MustImport(&Version, v1.Container{}, struct {
-			Environment          []EnvironmentVar
+			Environment          map[string]string
 			EnvironmentFrom      []EnvironmentFrom
 			InitContainer        bool
 			State                string

apis/project.cattle.io/v3/schema/types.go

@@ -37,12 +37,6 @@ type handlerOverride struct {
 	TCP bool
 }
 
-type EnvironmentVar struct {
-	Name      string
-	Value     string
-	ValueFrom *EnvironmentFrom
-}
-
 type EnvironmentFrom struct {
 	Source     string `norman:"type=enum,options=field|resource|configMap|secret"`
 	SourceName string