Revert "feat: implement multi-org template gallery (#13784)" (#14013)

This reverts commit 554c4ab1eb.

codersdk/organizations.go

@@ -405,9 +405,8 @@ func (c *Client) TemplatesByOrganization(ctx context.Context, organizationID uui
 }
 
 type TemplateFilter struct {
-	OrganizationID uuid.UUID `json:"organization_id,omitempty" format:"uuid" typescript:"-"`
-	FilterQuery    string    `json:"q,omitempty"`
-	ExactName      string    `json:"exact_name,omitempty" typescript:"-"`
+	OrganizationID uuid.UUID
+	ExactName      string
 }
 
 // asRequestOption returns a function that can be used in (*Client).Request.
@@ -425,11 +424,6 @@ func (f TemplateFilter) asRequestOption() RequestOption {
 			params = append(params, fmt.Sprintf("exact_name:%q", f.ExactName))
 		}
 
-		if f.FilterQuery != "" {
-			// If custom stuff is added, just add it on here.
-			params = append(params, f.FilterQuery)
-		}
-
 		q := r.URL.Query()
 		q.Set("q", strings.Join(params, " "))
 		r.URL.RawQuery = q.Encode()